Gaya APA

Buhler, P, M., B.S, T, W. (2004). Alpha teach yourself management skills in 24 hours (Cet. 1). Jakarta: Prenada.

Gaya MLA

Buhler, Patricia, M., B.S, Tri, Wibowo. "Alpha teach yourself management skills in 24 hours". Cet. 1 Jakarta: Prenada, 2004. Text.