Style de citation APA (7e éd.)

Liu, W. M. (2011). Social class and classism in the helping professions: Research, theory, and practice. SAGE.

Style de citation Chicago (17e éd.)

Liu, William Ming. Social Class and Classism in the Helping Professions: Research, Theory, and Practice. Thousand Oaks: SAGE, 2011.

Style de citation MLA (8e éd.)

Liu, William Ming. Social Class and Classism in the Helping Professions: Research, Theory, and Practice. SAGE, 2011.