APA aipamena

Himstreet, W. C., & Baty, W. M. (1976). Programmed learning aid for business communications. Learning Systems Co.

Chicago Style aipamena

Himstreet, William C., and Wayne Murlin Baty. Programmed Learning Aid for Business Communications. Homewood, Ill: Learning Systems Co, 1976.

MLA aipamena

Himstreet, William C., and Wayne Murlin Baty. Programmed Learning Aid for Business Communications. Learning Systems Co, 1976.