Gaya APA
ulyadi. (2007).
Activity based cost system .
Yogyakarta:
UPP STIM YKPN.
Gaya Chicago
ulyadi.
Activity based cost system.
Yogyakarta:
UPP STIM YKPN,
2007.
Text.
Gaya MLA
ulyadi.
Activity based cost system.
Yogyakarta:
UPP STIM YKPN,
2007.
Text.
Gaya Turabian
ulyadi.
Activity based cost system.
Yogyakarta:
UPP STIM YKPN,
2007.
Print.