Gaya APA

Gronberck, B, E. et al (1988). Principles Of Speech Communication : 10th Brief Edition . Glenvew: Scott, Foresman, And Company.

Gaya MLA

Gronberck, Bruce, E.. et al. "Principles Of Speech Communication : 10th Brief Edition". Glenvew: Scott, Foresman, And Company, 1988. Text.