Gopalan, R., & Venkappayya, D. (2006). Textbook of engineering chemistry (3rd.). Vikas publishing house.
Čikaški stil citiranjaGopalan, R., i D. Venkappayya. Textbook of Engineering Chemistry. 3rd. New Delhi: Vikas publishing house, 2006.
MLA način citiranjaGopalan, R., i D. Venkappayya. Textbook of Engineering Chemistry. 3rd. Vikas publishing house, 2006.
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