एपीए उद्धरण

Grazia, S. d. (1962). Of time work and leisure. New York: The Twentieth Century Fund.

शिकागो स्टाइल उद्धरण

Grazia, Sebastian de. Of Time Work and Leisure. New York: The Twentieth Century Fund, 1962.

एमएलए उद्धरण

Grazia, Sebastian de. Of Time Work and Leisure. New York: The Twentieth Century Fund, 1962.