Gaya APA

Keats, S, W., Cunnigham, D, H. (1978). The practical craft : readings for business and technical writers . Boston: Houghton Mifflin Co..

Gaya MLA

Keats, Sparrow., W.., Cunnigham, Donal, H. "The practical craft : readings for business and technical writers". Boston: Houghton Mifflin Co., 1978. Text.