APA استشهاد

Lewis, H. (1963). unionism and relative wages in the United States: An empirical inquiry. University of Chicago press.

استشهاد بنمط شيكاغو

Lewis, H.G. Unionism and Relative Wages in the United States: An Empirical Inquiry. London: University of Chicago press, 1963.

MLA استشهاد

Lewis, H.G. Unionism and Relative Wages in the United States: An Empirical Inquiry. University of Chicago press, 1963.