Dyfyniad APA

Lodha,S L, & Lodha,Mahendra. (1991). Economics of environment. RBSA Publishers.

Dyfyniad Arddull Chicago

Lodha,S L, and Lodha,Mahendra. Economics of Environment. Jaipur: RBSA Publishers, 1991.

Dyfyniad MLA

Lodha,S L, and Lodha,Mahendra. Economics of Environment. RBSA Publishers, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.