Gaya APA
Sigit, Soehardi. (1987).
Marketing Praktis .
:
Liberty.
Gaya Chicago
Sigit, Soehardi.
Marketing Praktis.
:
Liberty,
1987.
Text Book.
Gaya MLA
Sigit, Soehardi.
Marketing Praktis.
:
Liberty,
1987.
Text Book.
Gaya Turabian
Sigit, Soehardi.
Marketing Praktis.
:
Liberty,
1987.
Text Book.