APA (7e ed.) Bronvermelding

Peoples, M. (1989). Methods for evaluating nitrogen fixation by nodulated legumes in the field. Australian Centre for International Agricultural Research.

Chicago (17e ed.) Bronvermelding

Peoples, M.B. Methods for Evaluating Nitrogen Fixation by Nodulated Legumes in the Field. Canberra, A.C.T: Australian Centre for International Agricultural Research, 1989.

MLA (9e ed.) Bronvermelding

Peoples, M.B. Methods for Evaluating Nitrogen Fixation by Nodulated Legumes in the Field. Australian Centre for International Agricultural Research, 1989.