APA (7th ed.) Zitazioa

SYKES, P. (1981). A Guidebook to mechanism in organic. Longman.

Chicago Style (17th ed.) Zitazioa

SYKES, Peter. A Guidebook to Mechanism in Organic. New Delhi, Orient: Longman, 1981.

MLA (9th ed.) Zitazioa

SYKES, Peter. A Guidebook to Mechanism in Organic. Longman, 1981.