Lua APA (7ú heag.)
Baljeet S. Kapoor. (1997). Environmental engineering: An overview (4th ed.). Khanna Publishers.
Lua i Stíl Chicago (17ú heag.)
Baljeet S. Kapoor. Environmental Engineering: An Overview. 4th ed. New Delhi: Khanna Publishers, 1997.
Lua MLA (9ú heag.)
Baljeet S. Kapoor. Environmental Engineering: An Overview. 4th ed. Khanna Publishers, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.