Παραπομπή APA

Gray, N. (2008). Water technology: Introduction for environmental scientists and engineers (2nd ed.). Butterworth-Heinemann.

Παραπομπή Chicago Style

Gray, N.F. Water Technology: Introduction for Environmental Scientists and Engineers. 2nd ed. Burlington: Butterworth-Heinemann, 2008.

Παραπομπή MLA

Gray, N.F. Water Technology: Introduction for Environmental Scientists and Engineers. 2nd ed. Butterworth-Heinemann, 2008.