APA ציטוט

Lyndon, R. C., & Schupp, P. E. (1977). Combinatorial group theory.

Chicago Edition Citation

Lyndon, Roger C., and Paul E. Schupp. Combinatorial Group Theory. Springer-Verlag, New York, 1977.

ציטוט MLA

Lyndon, Roger C., and Paul E. Schupp. Combinatorial Group Theory. 1977.