APA (7th ed.) Zitazioa

Winter, J. (2008). Wangari's trees of peace: A true story from Africa. Harcourt, INC.

Chicago Style (17th ed.) Zitazioa

Winter, Jeanette. Wangari's Trees of Peace: A True Story from Africa. Orlando: Harcourt, INC, 2008.

MLA (9th ed.) Zitazioa

Winter, Jeanette. Wangari's Trees of Peace: A True Story from Africa. Harcourt, INC, 2008.