एपीए उद्धरण

Thampuran, R. S. (1999). Vadakkunnatha kshethram: Puravruthavum itheehyangalum. International Centre for Kerala Studies.

शिकागो स्टाइल उद्धरण

Thampuran, Ravivarma Sanalkum. Vadakkunnatha Kshethram: Puravruthavum Itheehyangalum. Kariavattom: International Centre for Kerala Studies, 1999.

एमएलए उद्धरण

Thampuran, Ravivarma Sanalkum. Vadakkunnatha Kshethram: Puravruthavum Itheehyangalum. International Centre for Kerala Studies, 1999.