Penggayaan APA
GORDON, SANFORD D. (1980).
Introductory economics .
Lexington:
D.C Heath and Company.
Chicago Style
GORDON, SANFORD D.
Introductory economics.
Lexington:
D.C Heath and Company,
1980.
Text.
MLA Style
GORDON, SANFORD D.
Introductory economics.
Lexington:
D.C Heath and Company,
1980.
Text.
Turabian Style
GORDON, SANFORD D.
Introductory economics.
Lexington:
D.C Heath and Company,
1980.
Print.