एपीए उद्धरण

Kumarapillai G. (1983). Sapthaswaram. Sahitya Pravartaka Co-operative Society.

शिकागो स्टाइल उद्धरण

Kumarapillai G. Sapthaswaram. Kottayam: Sahitya Pravartaka Co-operative Society, 1983.

एमएलए उद्धरण

Kumarapillai G. Sapthaswaram. Sahitya Pravartaka Co-operative Society, 1983.