Παραπομπή APA

Northcott, G. (1973). A first course of homological algebra. Cambridge University Press.

Παραπομπή Chicago Style

Northcott, G. A First Course of Homological Algebra. Cambridge: Cambridge University Press, 1973.

Παραπομπή MLA

Northcott, G. A First Course of Homological Algebra. Cambridge University Press, 1973.