Lua APA (7ú heag.)
Pietrofesa, J. J., & Hoffman, A. (1984). Counseling: An Introduction (2nd ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)
Pietrofesa, John J., agus Allan Hoffman. Counseling: An Introduction. 2nd ed. Dallas: Houghton Mifflin, 1984.
Lua MLA (9ú heag.)
Pietrofesa, John J., agus Allan Hoffman. Counseling: An Introduction. 2nd ed. Houghton Mifflin, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.