APA aipamena

International Society of Arboriculture. (2005). Introduction to arboriculture: Pruning. Champaign: International Society of Arboriculture.

Chicago Style aipamena

International Society of Arboriculture. Introduction to Arboriculture: Pruning. Champaign: International Society of Arboriculture, 2005.

MLA aipamena

International Society of Arboriculture. Introduction to Arboriculture: Pruning. Champaign: International Society of Arboriculture, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.