APA Style
Case, Krl E. (1989).
Principles Of Economics .
America:
Fourth edition.
Chicago Style
Case, Krl E.
Principles Of Economics.
America:
Fourth edition,
1989.
.
MLA Style
Case, Krl E.
Principles Of Economics.
America:
Fourth edition,
1989.
.
Turabian Style
Case, Krl E.
Principles Of Economics.
America:
Fourth edition,
1989.
.