APA-referens (7:e uppl.)

Dufresne, E., Elmer, J., & Kohls, M. (2009). The Cohen-Macaulay property of separating invariants of finite groups. SP Birkhäuser Verlag Boston.

Chicago-referens (17:e uppl.)

Dufresne, E., J. Elmer, och M. Kohls. The Cohen-Macaulay Property of Separating Invariants of Finite Groups. SP Birkhäuser Verlag Boston, 2009.

MLA-referens (9:e uppl.)

Dufresne, E., et al. The Cohen-Macaulay Property of Separating Invariants of Finite Groups. SP Birkhäuser Verlag Boston, 2009.