Παραπομπή APA

Bonnar, J. T., & Swamy, P. N. N. (1974). Valarchayum roopavum. State Institute of Languages.

Παραπομπή Chicago Style

Bonnar, J T., και P N Narayana Swamy. Valarchayum Roopavum. Trivandrum: State Institute of Languages, 1974.

Παραπομπή MLA

Bonnar, J T., και P N Narayana Swamy. Valarchayum Roopavum. State Institute of Languages, 1974.