De Grazia, S. (1964). Of time, work, and leisure (Anchor books ed.). Anchor Books.
Cita Chicago (17th ed.)De Grazia, Sebastian. Of Time, Work, and Leisure. Anchor books ed. New York: Anchor Books, 1964.
Cita MLA (9th ed.)De Grazia, Sebastian. Of Time, Work, and Leisure. Anchor books ed. Anchor Books, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.