Cita APA (7th ed.)

Greenbaum, T. L. (1993). The Handbook for Focus Group Research (Rev. ed.). Lexington Books An Imprint of Macmillan, Inc.

Cita Chicago (17th ed.)

Greenbaum, Thomas L. The Handbook for Focus Group Research. Rev. ed. New York: Lexington Books An Imprint of Macmillan, Inc, 1993.

Cita MLA (9th ed.)

Greenbaum, Thomas L. The Handbook for Focus Group Research. Rev. ed. Lexington Books An Imprint of Macmillan, Inc, 1993.