APA引文

Hawkins, E. K. (1970). Principles of development Aid. Penguin.

Chicago Edition Citation

Hawkins, E K. Principles of Development Aid. England: Penguin, 1970.

MLA引文

Hawkins, E K. Principles of Development Aid. Penguin, 1970.

警告：这些引文格式不一定是100％准确.