Lang, S. (1987). Undergraduate algebra .-2nd ed (2.). Springer-India.
Chicago Edition CitationLang, Serge. Undergraduate Algebra .-2nd Ed. 2. New Delhi: Springer-India, 1987.
Cita MLALang, Serge. Undergraduate Algebra .-2nd Ed. 2. Springer-India, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.