Gaya APA

Smalley, G., Trent, J. (2001). The Two Sides Of Love : What Strengthens Affection, Closeness And Lasting Commitment? (Trawas) . California: Focus On The Family Publishing.

Gaya MLA

Smalley, Gary., Trent, John. "The Two Sides Of Love : What Strengthens Affection, Closeness And Lasting Commitment? (Trawas)". California: Focus On The Family Publishing, 2001. Text.