Unnikrishnan Nair ,P. (1987). Sreevallabha Mahakshethracharithram. P. Unnikrishnan Nair, Niranasseril Hosue, Tiruvalla.
Chicago Style aipamenaUnnikrishnan Nair ,P. Sreevallabha Mahakshethracharithram. P. Unnikrishnan Nair, Niranasseril Hosue, Tiruvalla: P. Unnikrishnan Nair, Niranasseril Hosue, Tiruvalla, 1987.
MLA aipamenaUnnikrishnan Nair ,P. Sreevallabha Mahakshethracharithram. P. Unnikrishnan Nair, Niranasseril Hosue, Tiruvalla, 1987.
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