Gaya APA
Crouch, R, L. (1972).
Macroeconomics (1 ( Pertama )).
United States of America:
Harcourt Brace Jovanovich, Inc.
Gaya MLA
Crouch, Robert, L..
"Macroeconomics".
1 ( Pertama )
United States of America:
Harcourt Brace Jovanovich, Inc,
1972.
Textbook.