APA (7th ed.) Zitazioa

HAFSTROM, J. E. (1967). Introduction to analysis and abstract algebra. Saunders.

Chicago Style (17th ed.) Zitazioa

HAFSTROM, John E. Introduction to Analysis and Abstract Algebra. London: Saunders, 1967.

MLA (9th ed.) Zitazioa

HAFSTROM, John E. Introduction to Analysis and Abstract Algebra. Saunders, 1967.