APA استشهاد

Manes,E.G. (1976). Algebraic theories. Springer- Verlag.

استشهاد بنمط شيكاغو

Manes,E.G. Algebraic Theories. New York: Springer- Verlag, 1976.

MLA استشهاد

Manes,E.G. Algebraic Theories. Springer- Verlag, 1976.