Robinson, J. (1962). Exercises in economic analysis. Macmillan; St. Martin's Press.
Cita Chicago (17th ed.)Robinson, Joan. Exercises in Economic Analysis. London, New York: Macmillan; St. Martin's Press, 1962.
Cita MLA (9th ed.)Robinson, Joan. Exercises in Economic Analysis. Macmillan; St. Martin's Press, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.