APA (7e ed.) Bronvermelding

Haas, F. J. (1937). The wages and hours of American labor. Paulist Press.

Chicago (17e ed.) Bronvermelding

Haas, Francis J. The Wages and Hours of American Labor. New York: Paulist Press, 1937.

MLA (8e ed.) Bronvermelding

Haas, Francis J. The Wages and Hours of American Labor. Paulist Press, 1937.