Παραπομπή APA

Morgan, S. M., & Vesilind, A. P. (2004). Environmental engineering, Introduction.

Παραπομπή Chicago Style

Morgan, Susan M., και Aarne P. Vesilind. Environmental Engineering, Introduction. Australia, Thomson Brooks/cole, 2004.

Παραπομπή MLA

Morgan, Susan M., και Aarne P. Vesilind. Environmental Engineering, Introduction. 2004.