May, R. (1967). The art of counseling: A practical guide... Abingdon press.
Lua i Stíl Chicago (17ú heag.)May, Rollo. The Art of Counseling: A Practical Guide... Nashville: Abingdon press, 1967.
Lua MLA (9ú heag.)May, Rollo. The Art of Counseling: A Practical Guide... Abingdon press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.