Παραπομπή APA

Gondin ,William.R & Mamman,Edward W. (1982). The art of speaking: Made simple. Rupa & Co., Calcutta.

Παραπομπή Chicago Style

Gondin ,William.R & Mamman,Edward W. The Art of Speaking: Made Simple. Rupa & Co., Calcutta: Rupa & Co., Calcutta, 1982.

Παραπομπή MLA

Gondin ,William.R & Mamman,Edward W. The Art of Speaking: Made Simple. Rupa & Co., Calcutta, 1982.