Fliert, E. v. d., & Baru, A. R. Farmer field school for integrated crop management of sweetpotato: Field guides and technical manual. ill.
Citazione stile Chigago Style (17a edizione)Fliert, Elske van de, e Ann R. Baru. Farmer Field School for Integrated Crop Management of Sweetpotato: Field Guides and Technical Manual. 1 v. (various pagings): ill.
Citatione MLA (9a ed.)Fliert, Elske van de, e Ann R. Baru. Farmer Field School for Integrated Crop Management of Sweetpotato: Field Guides and Technical Manual. ill.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.