Gaya APA
Ridge, K, B, D, G., Hermanto, A, F. (2010).
Helping People Win at Work .
Jakarta:
Elex Media Komputindo.
Gaya MLA
Ridge, Ken, Blanchard, Dan, Garry., Hermanto, Aloysius, Feri.
"Helping People Win at Work".
Jakarta:
Elex Media Komputindo,
2010.
Text / Book.