Penggayaan APA
GILL, RICHARD T. (1973).
Economics, a text with .
California:
Goodyear Publishing Company.
Chicago Style
GILL, RICHARD T.
Economics, a text with.
California:
Goodyear Publishing Company,
1973.
Text.
MLA Style
GILL, RICHARD T.
Economics, a text with.
California:
Goodyear Publishing Company,
1973.
Text.
Turabian Style
GILL, RICHARD T.
Economics, a text with.
California:
Goodyear Publishing Company,
1973.
Print.