APA
FAO, Brunt A. A., Frison E. A., Jackson G. V. H. & International Board for Plant Genetic Resources. (1989). FAO/IBPGR technical guidelines for the safe movement of yam germoplasm. Rome: FAO.
Chicago
FAO, Brunt A A, Frison E A, Jackson G V H and International Board for Plant Genetic Resources. 1989. FAO/IBPGR technical guidelines for the safe movement of yam germoplasm. Rome: FAO.
Harvard
FAO, Brunt A. A., Frison E. A., Jackson G. V. H. and International Board for Plant Genetic Resources. (1989). FAO/IBPGR technical guidelines for the safe movement of yam germoplasm. Rome: FAO.
MLA
FAO, Brunt A A, Frison E A, Jackson G V H and International Board for Plant Genetic Resources. FAO/IBPGR technical guidelines for the safe movement of yam germoplasm. Rome: FAO. 1989.
