APA (7e ed.) Bronvermelding
Hybels, S., & Weaver, R. L. . I. (1989). Communicating effectively (2nd ed.). McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Hybels, Saundra, en Richard L II Weaver. Communicating Effectively. 2nd ed. NEw York: McGraw-Hill, 1989.
MLA (9e ed.) Bronvermelding
Hybels, Saundra, en Richard L II Weaver. Communicating Effectively. 2nd ed. McGraw-Hill, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.