APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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