APA

Gibson R. L., Mitchell M., . (2003). Introduction to counseling and guidance. New York: Prentice Hall.

Chicago

Gibson Robert L, Mitchell Marianne, . 2003. Introduction to counseling and guidance. New York: Prentice Hall.

Harvard

Gibson R. L., Mitchell M., . (2003). Introduction to counseling and guidance. New York: Prentice Hall.

MLA

Gibson Robert L, Mitchell Marianne, . Introduction to counseling and guidance. New York: Prentice Hall. 2003.