Style de citation APA

Heppner, P. P. (2008). Research design in counseling. Belmont, CA: Thomson Brooks/Cole.

Style de citation Chicago

Heppner, P. Paul. Research Design in Counseling. Belmont, CA: Thomson Brooks/Cole, 2008.

Style de citation MLA

Heppner, P. Paul. Research Design in Counseling. Belmont, CA: Thomson Brooks/Cole, 2008.

Attention : ces citations peuvent ne pas être correctes à 100%.