Gaya APA
assen, M, V., pietersma, P.
(2013).
KEY MANAGEMENT MODELS
(
2)
.
YOGAKARTA:
PENERBIT ERLANGGA.
Gaya MLA
assen, Marcel, Van., pietersma, Paul.
"KEY MANAGEMENT MODELS".
2
YOGAKARTA:
PENERBIT ERLANGGA,
2013.
Text.