Παραπομπή APA

Haggard,, G., Schlipf,, J., & Whitesides,, S. (2006). Discrete mathemetics for computer science. Cengage learning.

Παραπομπή Chicago Style

Haggard,, Gray, John Schlipf,, και Sue Whitesides. Discrete Mathemetics for Computer Science. Australia: Cengage learning, 2006.

Παραπομπή MLA

Haggard,, Gray, et al. Discrete Mathemetics for Computer Science. Cengage learning, 2006.