APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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