註腳
Eugene L. Delafield and T. L. Yuan，〈胡適先生著作目錄（二）西文〉，《中央研究院歷史語言研究所集刊》28下（1957）：909-914。
Eugene L. Delafield and T. L. Yuan, “Selected Bibliography of Dr. HU Shih’s Writings in Western Languages,” Bulletin of the Institute of History and Philology, Academia Sinica 28.2 (1957): 909-914.
書目
Eugene L. Delafield and T. L. Yuan
1957 〈胡適先生著作目錄（二）西文〉，《中央研究院歷史語言研究所集刊》28下：909-914。
L., Eugene, and T. L. Yuan
1957 “Selected Bibliography of Dr. HU Shih’s Writings in Western Languages.” Bulletin of the Institute of History and Philology, Academia Sinica 28.2: 909-914.
Eugene L. Delafield and T. L. Yuan. (1957). 胡適先生著作目錄（二）西文. 中央研究院歷史語言研究所集刊, 28(上), 909-914.
L., Eugene, & T. L. Yuan. (1957). Selected Bibliography of Dr. HU Shih’s Writings in Western Languages. Bulletin of the Institute of History and Philology, Academia Sinica, 28(2), 909-914.
Eugene L. Delafield and T. L. Yuan. “胡適先生著作目錄（二）西文.” 中央研究院歷史語言研究所集刊 28, no. 下 (1957): 909-914.
L., Eugene, and T. L. Yuan. “Selected Bibliography of Dr. HU Shih’s Writings in Western Languages.” Bulletin of the Institute of History and Philology, Academia Sinica 28, no. 2 (1957): 909-914.
Eugene L. Delafield and T. L. Yuan. “胡適先生著作目錄（二）西文.” 中央研究院歷史語言研究所集刊, vol. 28, no. 下, 1957, pp. 909-914.
L., Eugene, and T. L. Yuan. “Selected Bibliography of Dr. HU Shih’s Writings in Western Languages.” Bulletin of the Institute of History and Philology, Academia Sinica, vol. 28, no. 2, 1957, pp. 909-914.
