Gaya APA
Gould, J, P., Lazear, E, P.
(1989).
Microeconomic theory
(
6)
.
Boston:
R.R Donnelley & Sons Company.
Gaya MLA
Gould, John, P., Lazear, Edward, P.
"Microeconomic theory".
6
Boston:
R.R Donnelley & Sons Company,
1989.
Text.