Agarwal, K. (1996). Environmental biology 1996-1997 (Revised Second Edition.). Agro Botanical Publishers.
Čikaški stil citiranja (17. izdanje)Agarwal, K.C. Environmental Biology 1996-1997. Revised Second Edition. Bikaner: Agro Botanical Publishers, 1996.
MLA način citiranja (9. izdanje)Agarwal, K.C. Environmental Biology 1996-1997. Revised Second Edition. Agro Botanical Publishers, 1996.
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