Sommers-Flanagan, J., & Flanagan-Sommers, R. (2004). Counseling and psychotherapy theories in context and practice: Skills, strategies, and techniques (ed.). John Wiley & Sons.
Chicago Style (17th ed.) ZitazioaSommers-Flanagan, John, eta Rita Flanagan-Sommers. Counseling and Psychotherapy Theories in Context and Practice: Skills, Strategies, and Techniques. ed. Hoboken, New Jersey: John Wiley & Sons, 2004.
MLA (9th ed.) ZitazioaSommers-Flanagan, John, eta Rita Flanagan-Sommers. Counseling and Psychotherapy Theories in Context and Practice: Skills, Strategies, and Techniques. ed. John Wiley & Sons, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.