एपीए उद्धरण

Panikkassery, V. (2004). Portugees-Dutch aadhipathyam Keralathil. Current Books.

शिकागो स्टाइल उद्धरण

Panikkassery, Velayudhan. Portugees-Dutch Aadhipathyam Keralathil. Kottayam: Current Books, 2004.

एमएलए उद्धरण

Panikkassery, Velayudhan. Portugees-Dutch Aadhipathyam Keralathil. Current Books, 2004.