Lua APA (7ú heag.)

Blocher, D. H. (2000). The evolution of counseling psychology. Springer.

Lua i Stíl Chicago (17ú heag.)

Blocher, Donald H. The Evolution of Counseling Psychology. New York: Springer, 2000.

Lua MLA (9ú heag.)

Blocher, Donald H. The Evolution of Counseling Psychology. Springer, 2000.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.