APA (7th ed.) Zitazioa

PERROS, T. P. (1967). Chemistry. American Book Comp..

Chicago Style (17th ed.) Zitazioa

PERROS, Theodore P. Chemistry. New York: American Book Comp., 1967.

MLA (9th ed.) Zitazioa

PERROS, Theodore P. Chemistry. American Book Comp., 1967.