Carkhuff. (1977). The Skills of teaching: Interpersonal skills : teacher's guide. Human Resource Development Press.
Lua i Stíl Chicago (17ú heag.)Carkhuff. The Skills of Teaching: Interpersonal Skills : Teacher's Guide. Amherst, Mass.: Human Resource Development Press, 1977.
Lua MLA (8ú heag.)Carkhuff. The Skills of Teaching: Interpersonal Skills : Teacher's Guide. Human Resource Development Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.