APA (7th ed.) Zitazioa

Rodale's Organic Life. Hearst Magazines, a division of Hearst Communications, Inc.

Chicago Style (17th ed.) Zitazioa

Rodale's Organic Life. Hearst Magazines, a division of Hearst Communications, Inc.

MLA (9th ed.) Zitazioa

Rodale's Organic Life. Hearst Magazines, a division of Hearst Communications, Inc.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.