APA ציטוט

Petrich, M. (1974). Rings and semigroups. Springer-Verlag.

Chicago Edition Citation

Petrich, Mario. Rings and Semigroups. Berlin, New York: Springer-Verlag, 1974.

ציטוט MLA

Petrich, Mario. Rings and Semigroups. Springer-Verlag, 1974.