Παραπομπή APA

Junkins, R., & ...[et al.]. (1983). Activated sludge process: Fundamentals of operation. Butterworth.

Παραπομπή Chicago Style

Junkins, Randy, και ...[et al.]. Activated Sludge Process: Fundamentals of Operation. Michigan: Butterworth, 1983.

Παραπομπή MLA

Junkins, Randy, και ...[et al.]. Activated Sludge Process: Fundamentals of Operation. Butterworth, 1983.