APA (7th ed.) Zitazioa

Bienz, D. (1993). The why and how of home horticulture (Second edition.). W.H. Freeman and Company.

Chicago Style (17th ed.) Zitazioa

Bienz, D.R. The Why and How of Home Horticulture. Second edition. New York, USA: W.H. Freeman and Company, 1993.

MLA (9th ed.) Zitazioa

Bienz, D.R. The Why and How of Home Horticulture. Second edition. W.H. Freeman and Company, 1993.