Gaya APA
Buhler, P., Haryanto, S. (2007).
Alpha teach yourself : management skills dalam 24 jam .
Jakarta:
Kencana Prenada Media Group.
Gaya MLA
Buhler, Patricia., Haryanto, Sugeng.
"Alpha teach yourself : management skills dalam 24 jam".
Jakarta:
Kencana Prenada Media Group,
2007.
Text.