Gaya APA
Wirawan, Ferry. (2007).
Successful With Authority .
Surabaya:
Manna Media Publishing.
Gaya Chicago
Wirawan, Ferry.
Successful With Authority.
Surabaya:
Manna Media Publishing,
2007.
Text.
Gaya MLA
Wirawan, Ferry.
Successful With Authority.
Surabaya:
Manna Media Publishing,
2007.
Text.
Gaya Turabian
Wirawan, Ferry.
Successful With Authority.
Surabaya:
Manna Media Publishing,
2007.
Print.