Style de citation APA (7e éd.)

Stewart, D. W., & Shamdasani, P. N. (1990). Focus groups: Theory and practice. Sage Publications.

Style de citation Chicago (17e éd.)

Stewart, David W., et Prem N. Shamdasani. Focus Groups: Theory and Practice. Newbury Park, Calif.: Sage Publications, 1990.

Style de citation MLA (9e éd.)

Stewart, David W., et Prem N. Shamdasani. Focus Groups: Theory and Practice. Sage Publications, 1990.