Hanna, S. L. (1991). Person to person: Positive relationships don't just happen. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Hanna, Sharon L. Person to Person: Positive Relationships Don't Just Happen. Englewood Cliffs NJ: Prentice-Hall, 1991.
Lua MLA (9ú heag.)Hanna, Sharon L. Person to Person: Positive Relationships Don't Just Happen. Prentice-Hall, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.