Style de citation APA

Joyce, P., & Sills, C. Skills in Gestalt counselling & psychotherapy (Fourth edition.).

Style de citation Chicago

Joyce, Phil, et Charlotte Sills. Skills in Gestalt Counselling & Psychotherapy. Fourth edition.

Style de citation MLA

Joyce, Phil, et Charlotte Sills. Skills in Gestalt Counselling & Psychotherapy. Fourth edition.

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