Cita APA (7a ed.)
De Vos, A. S. (2011). Research at grass roots: For the social sciences and human services professions (4th ed.). Van Schaik.
Cita Chicago Style (17a ed.)
De Vos, A. S. Research at Grass Roots: For the Social Sciences and Human Services Professions. 4th ed. Pretoria: Van Schaik, 2011.
Cita MLA (9a ed.)
De Vos, A. S. Research at Grass Roots: For the Social Sciences and Human Services Professions. 4th ed. Van Schaik, 2011.
Precaución: Estas citas no son 100% exactas.