APA (7e ed.) Bronvermelding

Food and Agriculture Organization of the United Nations. (1977). A framework for land evaluation. International Institute for Land Reclamation and Improvement.

Chicago (17e ed.) Bronvermelding

Food and Agriculture Organization of the United Nations. A Framework for Land Evaluation. Wageningen, The Netherlands: International Institute for Land Reclamation and Improvement, 1977.

MLA (9e ed.) Bronvermelding

Food and Agriculture Organization of the United Nations. A Framework for Land Evaluation. International Institute for Land Reclamation and Improvement, 1977.