Dyfyniad APA

Ramachandran Kodappally. (2007). Encyclopedia of inventions. Dronacharya Publications.

Dyfyniad Arddull Chicago

Ramachandran Kodappally. Encyclopedia of Inventions. Kozhikode: Dronacharya Publications, 2007.

Dyfyniad MLA

Ramachandran Kodappally. Encyclopedia of Inventions. Dronacharya Publications, 2007.

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