Thampuran, R. S. (1999). Vadakkunnatha kshethram: Puravruthavum itheehyangalum. International Centre for Kerala Studies.
シカゴスタイル引用形Thampuran, Ravivarma Sanalkum. Vadakkunnatha Kshethram: Puravruthavum Itheehyangalum. Kariavattom: International Centre for Kerala Studies, 1999.
MLA引用形式Thampuran, Ravivarma Sanalkum. Vadakkunnatha Kshethram: Puravruthavum Itheehyangalum. International Centre for Kerala Studies, 1999.
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