Dyfyniad APA

Hanna, S. L. (1991). Person to person: Positive relationships don't just happen. Prentice-Hall.

Dyfyniad Arddull Chicago

Hanna, Sharon L. Person to Person: Positive Relationships Don't Just Happen. Englewood Cliffs NJ: Prentice-Hall, 1991.

Dyfyniad MLA

Hanna, Sharon L. Person to Person: Positive Relationships Don't Just Happen. Prentice-Hall, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.