APA (7e ed.) Bronvermelding

FAO & Zapata, F. (2004). FAO. Fertilizer and plant nutrition bulletin: 13, Use of phosphate rocks for sustainable agriculture.

Chicago (17e ed.) Bronvermelding

FAO en F. Zapata. FAO. Fertilizer and Plant Nutrition Bulletin: 13, Use of Phosphate Rocks for Sustainable Agriculture. 2004.

MLA (9e ed.) Bronvermelding

FAO en F. Zapata. FAO. Fertilizer and Plant Nutrition Bulletin: 13, Use of Phosphate Rocks for Sustainable Agriculture. 2004.

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