APA ציטוט

Petrich, M. (1977). Lectures in Semigroups. New York: John Wiley and Sons.

Trích dẫn kiểu Chicago

Petrich, Mario. Lectures in Semigroups. New York: John Wiley and Sons, 1977.

ציטוט MLA

Petrich, Mario. Lectures in Semigroups. New York: John Wiley and Sons, 1977.