Gaya APA
KATZ, M, L., ROSEN, H, S.
(1991).
Microeconomics.
.
Boston:
Richard D.irwin,INC Illinols.
Gaya MLA
KATZ, Michael, L.., ROSEN, Harvey, S..
"Microeconomics.".
Boston:
Richard D.irwin,INC Illinols,
1991.
Text.