APA استشهاد

Loebl, E. M. (1968). Group theory and its applications. Academic Press.

استشهاد بنمط شيكاغو

Loebl, Ernest M. Group Theory and Its Applications. New York: Academic Press, 1968.

MLA استشهاد

Loebl, Ernest M. Group Theory and Its Applications. Academic Press, 1968.