APA (7th ed.) Zitazioa

Joyce, D. (1992). Pruning and training plants. Mitchell Beazley.

Chicago Style (17th ed.) Zitazioa

Joyce, David. Pruning and Training Plants. London: Mitchell Beazley, 1992.

MLA (9th ed.) Zitazioa

Joyce, David. Pruning and Training Plants. Mitchell Beazley, 1992.