Bhatnagar, M. (2008). Payment for environmental services. ICFAI University Press.
Citazione stile Chigago Style (17a edizione)Bhatnagar, Meenu. Payment for Environmental Services. Hyderabad: ICFAI University Press, 2008.
Citatione MLA (9a ed.)Bhatnagar, Meenu. Payment for Environmental Services. ICFAI University Press, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.