Kumar,Pushpam. (2004). Economics of soil erosion: Issues and imperatives from India. Concept Publishing Company.
Citação norma ChicagoKumar,Pushpam. Economics of Soil Erosion: Issues and Imperatives from India. New Delhi: Concept Publishing Company, 2004.
Citação norma MLAKumar,Pushpam. Economics of Soil Erosion: Issues and Imperatives from India. Concept Publishing Company, 2004.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.