Stewart, N. R., & Winborn, B. B. (1978). Systematic counselling. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Stewart, Norman R., agus Bob B. Winborn. Systematic Counselling. Englewood Englewood Cliffs: Prentice-Hall, 1978.
Lua MLA (9ú heag.)Stewart, Norman R., agus Bob B. Winborn. Systematic Counselling. Prentice-Hall, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.