Mall:Weibel IHA
Weibel, Charles A. (1994), An introduction to homological algebra, Cambridge Studies in Advanced Mathematics, "38", Cambridge University Press, , ISBN 978-0-521-55987-4, OCLC 36131259
Weibel, Charles A. (1994), An introduction to homological algebra, Cambridge Studies in Advanced Mathematics, "38", Cambridge University Press, MR 1269324, ISBN 978-0-521-55987-4, OCLC 36131259