APA Style
Sigit, Soehardi. (1987).
Marketing Praktis (2).
Yogyakarta:
Liberty.
Chicago Style
Sigit, Soehardi.
Marketing Praktis.
2
Yogyakarta:
Liberty,
1987.
Text.
MLA Style
Sigit, Soehardi.
Marketing Praktis.
2
Yogyakarta:
Liberty,
1987.
Text.
Turabian Style
Sigit, Soehardi.
Marketing Praktis.
2
Yogyakarta:
Liberty,
1987.
Print.