Gaya APA

Himstreet, W, C., Baty, W, M. (1981). Personal learning aid for business communications (Rev. ed). Homewood, IL: Dow Jones Irwin.

Gaya MLA

Himstreet, William, C.., Baty, Wayne, M.. "Personal learning aid for business communications". Rev. ed Homewood, IL: Dow Jones Irwin, 1981. Text.