APA
Baumol W. J., . (1961). Economic theory and operations analysis. New Jersey: Prentice hall.
Chicago
Baumol William J, . 1961. Economic theory and operations analysis. New Jersey: Prentice hall.
Harvard
Baumol W. J., . (1961). Economic theory and operations analysis. New Jersey: Prentice hall.
MLA
Baumol William J, . Economic theory and operations analysis. New Jersey: Prentice hall. 1961.