Gaya APA

Johnson, D, W. (1993). Reaching Out: Interpersonal effectiveness and self-actualization (Ed.5). Mercu buana: Allyn and Bacon.

Gaya MLA

Johnson, David, W.. "Reaching Out: Interpersonal effectiveness and self-actualization". Ed.5 Mercu buana: Allyn and Bacon, 1993. Hibah Buku Dra. Anita Lestari,.