Gaya APA

Murdoko, E, W, H., Hindiarto, F. (2011). What it takes to be an effective & attractive trainer . Jakarta: PT. Elex Media Komputindo.

Gaya MLA

Murdoko, E., Widijo, Hri., Hindiarto, Ferdinand. "What it takes to be an effective & attractive trainer". Jakarta: PT. Elex Media Komputindo, 2011. Text.