एपीए उद्धरण

Gopinatha Pillai, V. (1999). Malayala Vyakaranavum Rachanayum. H & C.

शिकागो स्टाइल उद्धरण

Gopinatha Pillai, Vattapparambil. Malayala Vyakaranavum Rachanayum. Thrissur: H & C, 1999.

एमएलए उद्धरण

Gopinatha Pillai, Vattapparambil. Malayala Vyakaranavum Rachanayum. H & C, 1999.