Gaya APA
Pierce, T, J., Moss, R, L. (1985).
Economics : study guide to accompany thompson's .
Reading,Massachusetts:
Addison-Wesley Publishing.
Gaya MLA
Pierce, Thomas, J.., Moss, Richard, L..
"Economics : study guide to accompany thompson's".
Reading,Massachusetts:
Addison-Wesley Publishing,
1985.
Text.