Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.