Chopra, P. N. (1998). Micro economics. Kalyani.
Chicago Edition CitationChopra, P. N. Micro Economics. Ludhiana: Kalyani, 1998.
MLA Edition CitationChopra, P. N. Micro Economics. Kalyani, 1998.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.