APA (7th ed.) Citation
Hawkins, E. K. (1970). The principles of development aid / E.K. Hawkins. Penguin Books.
Chicago Style (17th ed.) Citation
Hawkins, Edward Kenneth. The Principles of Development Aid / E.K. Hawkins. Estados Unidos: Penguin Books, 1970.
MLA (9th ed.) Citation
Hawkins, Edward Kenneth. The Principles of Development Aid / E.K. Hawkins. Penguin Books, 1970.
Warning: These citations may not always be 100% accurate.