APA-čujuhus (7. p.)
Enochs, E. E., & Jenda, O. M. G. (2011). Relative homological algebra (2nd rev. and extended ed.). De Gruyter.
Chicago-čujuhus (17. p.)
Enochs, Edgar E., juo Overtoun M. G. Jenda. Relative Homological Algebra. 2nd rev. and extended ed. Berlin ; Boston: De Gruyter, 2011.
MLA-čujuhus (9. p.)
Enochs, Edgar E., juo Overtoun M. G. Jenda. Relative Homological Algebra. 2nd rev. and extended ed. De Gruyter, 2011.
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