APA Style
Copeland, Douglas W.. (1986).
Economics : study guide : sample chapter 1-18 only .
United States of America:
Houghton Mifflin Company.
Chicago Style
Copeland, Douglas W..
Economics : study guide : sample chapter 1-18 only.
United States of America:
Houghton Mifflin Company,
1986.
Text.
MLA Style
Copeland, Douglas W..
Economics : study guide : sample chapter 1-18 only.
United States of America:
Houghton Mifflin Company,
1986.
Text.
Turabian Style
Copeland, Douglas W..
Economics : study guide : sample chapter 1-18 only.
United States of America:
Houghton Mifflin Company,
1986.
Print.