ROBINSON, J. (1965). Exercises in economic analysis. Macmillan.
Chicago Style (17th ed.) ZitazioaROBINSON, Joan. Exercises in Economic Analysis. London: Macmillan, 1965.
MLA (9th ed.) ZitazioaROBINSON, Joan. Exercises in Economic Analysis. Macmillan, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.