APA

Cooper M., . (2008). Essential research findings in counselling and psychotherapy the facts are friendly. Los Ángeles (California, Estados Unidos): Sage.

Chicago

Cooper Mick, . 2008. Essential research findings in counselling and psychotherapy the facts are friendly. Los Ángeles (California, Estados Unidos): Sage.

Harvard

Cooper M., . (2008). Essential research findings in counselling and psychotherapy the facts are friendly. Los Ángeles (California, Estados Unidos): Sage.

MLA

Cooper Mick, . Essential research findings in counselling and psychotherapy the facts are friendly. Los Ángeles (California, Estados Unidos): Sage. 2008.