Singh, K., & Shishodia, A. (2007). Environmental economics: Theory and applications. SAGE Publications.
Lua i Stíl Chicago (17ú heag.)Singh, Katar, agus Anil Shishodia. Environmental Economics: Theory and Applications. Thousand Oaks, CA ; New Delhi: SAGE Publications, 2007.
Lua MLA (8ú heag.)Singh, Katar, agus Anil Shishodia. Environmental Economics: Theory and Applications. SAGE Publications, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.