एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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