Gaya APA

Maxwell, J, C. (2003). The treasure of a friend {Sahabat, harta yang paling berharga} (Cet. 2). Jakarta: Harvest Publications House.

Gaya MLA

Maxwell, John, C.. "The treasure of a friend {Sahabat, harta yang paling berharga}". Cet. 2 Jakarta: Harvest Publications House, 2003. Text.