APA Style
owen, D, S., brister, J. (1991).
Economics principles and Policy (1).
United states of America:
Harcourt Brace Jovanovich.
MLA Style
owen, Diane, S.., brister, Jozelle.
"Economics principles and Policy".
1
United states of America:
Harcourt Brace Jovanovich,
1991.
Text.