Gaya APA

Littauer, F. (2014). Personality Plus (Kepribadian Plus) (Ed. Revcet. 1). Kassel: Karisma.

Gaya MLA

Littauer, Florence. "Personality Plus (Kepribadian Plus)". Ed. Revcet. 1 Kassel: Karisma, 2014. Buku Teks.