Παραπομπή APA

Guptan, R. (1976). Samuhya Vikasanavaum Vyapanavum. State Institute of Languages.

Παραπομπή Chicago Style

Guptan, R.K. Samuhya Vikasanavaum Vyapanavum. Trivandrum: State Institute of Languages, 1976.

Παραπομπή MLA

Guptan, R.K. Samuhya Vikasanavaum Vyapanavum. State Institute of Languages, 1976.