APA (7th ed.) Zitazioa

Turk, L. H. (1965). Foundation course in Spanish. D.C. Heath.

Chicago Style (17th ed.) Zitazioa

Turk, Laurel Herbert. Foundation Course in Spanish. Boston: D.C. Heath, 1965.

MLA (9th ed.) Zitazioa

Turk, Laurel Herbert. Foundation Course in Spanish. D.C. Heath, 1965.