APA Style
HYMAN, David N. (1991).
Economics .
Boston:
Irwin.
Chicago Style
HYMAN, David N.
Economics.
Boston:
Irwin,
1991.
Text.
MLA Style
HYMAN, David N.
Economics.
Boston:
Irwin,
1991.
Text.
Turabian Style
HYMAN, David N.
Economics.
Boston:
Irwin,
1991.
Print.