Grazia, S. d. (1962). Of time work and leisure. New York: The Twentieth Century Fund.
シカゴスタイル引用形Grazia, Sebastian de. Of Time Work and Leisure. New York: The Twentieth Century Fund, 1962.
MLA引用形式Grazia, Sebastian de. Of Time Work and Leisure. New York: The Twentieth Century Fund, 1962.
警告: この引用は必ずしも正確ではありません.