APA (7th ed.) Zitazioa
(1979). Environmentally sound small-scale agricultural projects: Guidelines for planning. Mohonk trust.
Chicago Style (17th ed.) Zitazioa
Environmentally Sound Small-scale Agricultural Projects: Guidelines for Planning. Mohonk trust, 1979.
MLA (9th ed.) Zitazioa
Environmentally Sound Small-scale Agricultural Projects: Guidelines for Planning. Mohonk trust, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.