APA aipamena

Nilakanthasarmma, P. N. (1962). Prasnamarggam. Geetha Private ltd.

Chicago Style aipamena

Nilakanthasarmma, Punnasseri Nampi. Prasnamarggam. Trichur: Geetha Private ltd, 1962.

MLA aipamena

Nilakanthasarmma, Punnasseri Nampi. Prasnamarggam. Geetha Private ltd, 1962.