APA Style
Economics. (1993).
CHICAGO:
TEACH YOURSELF BOOKS.
Chicago Style
Economics.
1.
CHICAGO:
TEACH YOURSELF BOOKS,
1993.
TXB.
MLA Style
Economics.
1.
CHICAGO:
TEACH YOURSELF BOOKS,
1993.
TXB.
Turabian Style
Economics.
CHICAGO:
TEACH YOURSELF BOOKS,
1993.
TXB.