Παραπομπή APA

Ratnamma, M. D. (1979). Ettukali. NBS.

Παραπομπή Chicago Style

Ratnamma, M D. Ettukali. Kottayam: NBS, 1979.

Παραπομπή MLA

Ratnamma, M D. Ettukali. NBS, 1979.