King, J. (1976). Relative income shares. Macmillan.
Cita Chicago (17th ed.)King, John. Relative Income Shares. London: Macmillan, 1976.
Cita MLA (9th ed.)King, John. Relative Income Shares. Macmillan, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.