Cita APA (7th ed.)
Kapoor, B. S. (1989). Environmental engineering: An overview (3rd ed.). Khanna.
Cita Chicago (17th ed.)
Kapoor, Baljeet S. Environmental Engineering: An Overview. 3rd ed. New Delhi: Khanna, 1989.
Cita MLA (9th ed.)
Kapoor, Baljeet S. Environmental Engineering: An Overview. 3rd ed. Khanna, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.