APA
FAO, Frison E. A., Jackson G. V. H., Zettler F. W. & International Board for Plant Genetic Resources. (1989). FAO/IBPGR technical guidelines for the safe movement of edible aroid germplasm. Roma: FAO.
Chicago
FAO, Frison E A, Jackson G V H, Zettler F W and International Board for Plant Genetic Resources. 1989. FAO/IBPGR technical guidelines for the safe movement of edible aroid germplasm. Roma: FAO.
Harvard
FAO, Frison E. A., Jackson G. V. H., Zettler F. W. and International Board for Plant Genetic Resources. (1989). FAO/IBPGR technical guidelines for the safe movement of edible aroid germplasm. Roma: FAO.
MLA
FAO, Frison E A, Jackson G V H, Zettler F W and International Board for Plant Genetic Resources. FAO/IBPGR technical guidelines for the safe movement of edible aroid germplasm. Roma: FAO. 1989.
