APA (7e ed.) Bronvermelding

Abbott, L. (1955). Quality and competition: An essay in economic theory. Columbia Universtiy Press.

Chicago (17e ed.) Bronvermelding

Abbott, Lawrence. Quality and Competition: An Essay in Economic Theory. New York: Columbia Universtiy Press, 1955.

MLA (9e ed.) Bronvermelding

Abbott, Lawrence. Quality and Competition: An Essay in Economic Theory. Columbia Universtiy Press, 1955.