APA (7th ed.) Zitazioa

hammam, e. e. d. (1963). economics of agricultural production and resource use. the institute of national planning.

Chicago Style (17th ed.) Zitazioa

hammam, ezz el din. Economics of Agricultural Production and Resource Use. cairo: the institute of national planning, 1963.

MLA (9th ed.) Zitazioa

hammam, ezz el din. Economics of Agricultural Production and Resource Use. the institute of national planning, 1963.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.