Gaya APA

Littauer, F. (2011). Personality Plus ( Kepribadian Plus ) (Cet 1). Tangerang Selatan: karisma publishing group.

Gaya MLA

Littauer, Florence. "Personality Plus ( Kepribadian Plus )". Cet 1 Tangerang Selatan: karisma publishing group, 2011. Non Fiction.