APA (7e ed.) Bronvermelding

Frye, R. S. (1989). The clean water act compliance handbook. Executive Enterprises Publications.

Chicago (17e ed.) Bronvermelding

Frye, Russell S. The Clean Water Act Compliance Handbook. New York, N.Y: Executive Enterprises Publications, 1989.

MLA (9e ed.) Bronvermelding

Frye, Russell S. The Clean Water Act Compliance Handbook. Executive Enterprises Publications, 1989.