Hays, L. (1976). The high cost of living. Popular Library.
Cita Chicago (17th ed.)Hays, Lee. The High Cost of Living. New York: Popular Library, 1976.
Cita MLA (8th ed.)Hays, Lee. The High Cost of Living. Popular Library, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.