APA
FAO, Feliu E., Frison E. A. & International Board for Plant Genetic Resources. (1989). FAO/IBPGR technical guidelines for the safe movement of cocoa germplasm. Rome: FAO.
Chicago
FAO, Feliu E, Frison E A and International Board for Plant Genetic Resources. 1989. FAO/IBPGR technical guidelines for the safe movement of cocoa germplasm. Rome: FAO.
Harvard
FAO, Feliu E., Frison E. A. and International Board for Plant Genetic Resources. (1989). FAO/IBPGR technical guidelines for the safe movement of cocoa germplasm. Rome: FAO.
MLA
FAO, Feliu E, Frison E A and International Board for Plant Genetic Resources. FAO/IBPGR technical guidelines for the safe movement of cocoa germplasm. Rome: FAO. 1989.
