Harvey, N. (1983). Agricultural research centres: A world directory of organizations and programmes (7th ed.). Longman.
Style de citation Chicago (17e éd.)Harvey, Nigel. Agricultural Research Centres: A World Directory of Organizations and Programmes. 7th ed. Harlow, Essex, UK: Longman, 1983.
Style de citation MLA (9e éd.)Harvey, Nigel. Agricultural Research Centres: A World Directory of Organizations and Programmes. 7th ed. Longman, 1983.
Attention : ces citations peuvent ne pas être correctes à 100%.