APA引文

Pfefferbaum, R. (1987). Economics: Study guide (2nd ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Pfefferbaum, Rose. Economics: Study Guide. 2nd ed. Boston: Houghton Mifflin, 1987.

MLA引文

Pfefferbaum, Rose. Economics: Study Guide. 2nd ed. Houghton Mifflin, 1987.