APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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

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