Cita APA (7th ed.)

Kerwin, M. (1995). Topics and language competencies. Prentice Hall Regents.

Cita Chicago (17th ed.)

Kerwin, Michael. Topics and Language Competencies. Upper Saddle River, N.J: Prentice Hall Regents, 1995.

Cita MLA (9th ed.)

Kerwin, Michael. Topics and Language Competencies. Prentice Hall Regents, 1995.