Gaya APA

SPIEGEL, J., TORRES, C. (1997). MANAGER'S OFFICIAL GUIDE TOTEAM WORKING . Jakarta: GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

SPIEGEL, JERRY., TORRES, CRESENCIO. "MANAGER'S OFFICIAL GUIDE TOTEAM WORKING". Jakarta: GRAMEDIA PUSTAKA UTAMA, 1997. Text.