APA引文

Harvey, N. (1983). Agricultural research centres: A world directory of organizations and programmes (7th ed.). Longman.

Chicago Style (17th ed.) Citation

Harvey, Nigel. Agricultural Research Centres: A World Directory of Organizations and Programmes. 7th ed. Harlow, Essex, UK: Longman, 1983.

MLA引文

Harvey, Nigel. Agricultural Research Centres: A World Directory of Organizations and Programmes. 7th ed. Longman, 1983.