Παραπομπή APA

Vardaman, G. T. (1970). Effective communication of ideas. Van Nostrand Reinhold Co.

Παραπομπή Chicago Style

Vardaman, George T. Effective Communication of Ideas. London: Van Nostrand Reinhold Co, 1970.

Παραπομπή MLA

Vardaman, George T. Effective Communication of Ideas. Van Nostrand Reinhold Co, 1970.