APA Citatie

Ngumy, J. G. (1992). Agroforestry in dryland Africa: Teacher's manual. Sweden: SIDA's Regional Soil Conservation Unit, RSCU.

Chicago Style citaat

Ngumy, James G. Agroforestry in Dryland Africa: Teacher's Manual. Sweden: SIDA's Regional Soil Conservation Unit, RSCU, 1992.

MLA citatie

Ngumy, James G. Agroforestry in Dryland Africa: Teacher's Manual. Sweden: SIDA's Regional Soil Conservation Unit, RSCU, 1992.

Let op: Deze citaties zijn niet altijd 100% accuraat.