Cita APA

Kock, A. (1992). Speaking with a purpose (2d ed.). Prentice-Hall.

Citación estilo Chicago

Kock, Arthur. Speaking with a Purpose. 2d ed. Englewood Cliffs, N.J: Prentice-Hall, 1992.

Cita MLA

Kock, Arthur. Speaking with a Purpose. 2d ed. Prentice-Hall, 1992.