एपीए उद्धरण

Velayudhan, S. (1971). Vowel Duration in Malayalam. Dravidian linguistic Association.

शिकागो स्टाइल उद्धरण

Velayudhan, S. Vowel Duration in Malayalam. Trivandrum: Dravidian linguistic Association, 1971.

एमएलए उद्धरण

Velayudhan, S. Vowel Duration in Malayalam. Dravidian linguistic Association, 1971.