Παραπομπή APA

Rotman, J. J. (2009). An introduction to homological algebra .-2nd ed. (2nd ed.). Springer.

Παραπομπή Chicago Style

Rotman, Joseph J. An Introduction to Homological Algebra .-2nd Ed. 2nd ed. New York, NY: Springer, 2009.

Παραπομπή MLA

Rotman, Joseph J. An Introduction to Homological Algebra .-2nd Ed. 2nd ed. Springer, 2009.