Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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