APA Style
Soebekti, Sukono. (2010).
4E (Enjoy, Easy, Excellent, Earn) .
:
PPM-Manajemen.
Chicago Style
Soebekti, Sukono.
4E (Enjoy, Easy, Excellent, Earn).
:
PPM-Manajemen,
2010.
.
MLA Style
Soebekti, Sukono.
4E (Enjoy, Easy, Excellent, Earn).
:
PPM-Manajemen,
2010.
.
Turabian Style
Soebekti, Sukono.
4E (Enjoy, Easy, Excellent, Earn).
:
PPM-Manajemen,
2010.
.