Gaya APA
Good service is good business : 7 strategi sederhana menuju sukses. (1997).
Depok:
.
Gaya Chicago
Good service is good business : 7 strategi sederhana menuju sukses.
.
Depok:
,
1997.
Text.
Gaya MLA
Good service is good business : 7 strategi sederhana menuju sukses.
.
Depok:
,
1997.
Text.
Gaya Turabian
Good service is good business : 7 strategi sederhana menuju sukses.
Depok:
,
1997.
Print.