Παραπομπή APA

Kleinau, K., & Somasundaran, K. (1973). Telephone pratishtapanam. State Institute of languages.

Παραπομπή Chicago Style

Kleinau, Karl-Heinz, και K. Somasundaran. Telephone Pratishtapanam. Trivandrum: State Institute of languages, 1973.

Παραπομπή MLA

Kleinau, Karl-Heinz, και K. Somasundaran. Telephone Pratishtapanam. State Institute of languages, 1973.