Bonnar, J. T., & Swamy, P. N. N. (1974). Valarchayum roopavum. State Institute of Languages.
Chicago Edition CitationBonnar, J T., i P N Narayana Swamy. Valarchayum Roopavum. Trivandrum: State Institute of Languages, 1974.
Cita MLABonnar, J T., i P N Narayana Swamy. Valarchayum Roopavum. State Institute of Languages, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.