APA (7th ed.) Zitazioa
Dasmahapatra,Gourkrishna. (2013). Basic environmental engineering and elementary biology. Vikas Publishnig House.
Chicago Style (17th ed.) Zitazioa
Dasmahapatra,Gourkrishna. Basic Environmental Engineering and Elementary Biology. Kolkata: Vikas Publishnig House, 2013.
MLA (9th ed.) Zitazioa
Dasmahapatra,Gourkrishna. Basic Environmental Engineering and Elementary Biology. Vikas Publishnig House, 2013.
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