Παραπομπή APA

Balakrishna Pillai. (1987). Road apakatangalum nivarana marganagalum. NBS.

Παραπομπή Chicago Style

Balakrishna Pillai. Road Apakatangalum Nivarana Marganagalum. Kottayam: NBS, 1987.

Παραπομπή MLA

Balakrishna Pillai. Road Apakatangalum Nivarana Marganagalum. NBS, 1987.