Gaya APA

Collins, J, P., Saukin, W, P. (1981). The Hazardous Waste Dilemma : Issues and Solutions . United State of America: AMERICAN SOCIETY OF CIVIL ENGINEERS.

Gaya MLA

Collins, John, P., Saukin, Walter, P. "The Hazardous Waste Dilemma : Issues and Solutions". United State of America: AMERICAN SOCIETY OF CIVIL ENGINEERS, 1981. Text.