APA (7e ed.) Bronvermelding

Fertilizer Advisory, Development, and Information Network for Asia and the Pacific, & United Nations. Economic and Social Commission for Asia and the Pacific. (1980). Marketing, distribution and use of fertilizer in Papua New Guinea: A report. Economic & Social Commission for Aisa and thePacific.

Chicago (17e ed.) Bronvermelding

Fertilizer Advisory, Development, and Information Network for Asia and the Pacific, en United Nations. Economic and Social Commission for Asia and the Pacific. Marketing, Distribution and Use of Fertilizer in Papua New Guinea: A Report. Bangkok: Economic & Social Commission for Aisa and thePacific, 1980.

MLA (9e ed.) Bronvermelding

Fertilizer Advisory, Development, and Information Network for Asia and the Pacific, en United Nations. Economic and Social Commission for Asia and the Pacific. Marketing, Distribution and Use of Fertilizer in Papua New Guinea: A Report. Economic & Social Commission for Aisa and thePacific, 1980.