Greenbaum, T. L. (1993). The Handbook for Focus Group Research (Rev. ed.). Lexington Books An Imprint of Macmillan, Inc.
Chicago-čujuhus (17. p.)Greenbaum, Thomas L. The Handbook for Focus Group Research. Rev. ed. New York: Lexington Books An Imprint of Macmillan, Inc, 1993.
MLA-čujuhus (9. p.)Greenbaum, Thomas L. The Handbook for Focus Group Research. Rev. ed. Lexington Books An Imprint of Macmillan, Inc, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.