Penggayaan APA
RIDDEL, TOM. (1982).
Economics, a tool for understanding society .
California:
Wesley Publishing Company.
Chicago Style
RIDDEL, TOM.
Economics, a tool for understanding society.
California:
Wesley Publishing Company,
1982.
Text.
MLA Style
RIDDEL, TOM.
Economics, a tool for understanding society.
California:
Wesley Publishing Company,
1982.
Text.
Turabian Style
RIDDEL, TOM.
Economics, a tool for understanding society.
California:
Wesley Publishing Company,
1982.
Print.