Citazione APA

Abdul Kalam A P J, Sivadas P K, & Arun K.Tiwari. (2007). Vazhivelichangal (9th ed.). D C Books.

Stile di citazione Chicago

Abdul Kalam A P J, Sivadas P K, e Arun K.Tiwari. Vazhivelichangal. 9th ed. Kottayam: D C Books, 2007.

Citazione MLA

Abdul Kalam A P J, et al. Vazhivelichangal. 9th ed. D C Books, 2007.