Zettler, F. W., Jackson, G. V. H., & Frison, E. A. (1989). The safe movement of ediblea roid germplasm. [Roma]: FAO/IBPGR.
Chicago Style CitationZettler, F. W., G. V. H. Jackson, and E. A. Frison. The Safe Movement of Ediblea Roid Germplasm. [Roma]: FAO/IBPGR, 1989.
MLA CitationZettler, F. W., G. V. H. Jackson, and E. A. Frison. The Safe Movement of Ediblea Roid Germplasm. [Roma]: FAO/IBPGR, 1989.
Warning: These citations may not always be 100% accurate.