APA استشهاد

Haley, B. S. (1952). survey of contemporary economics. Richard D. Irwin.

استشهاد بنمط شيكاغو

Haley, Bernard S. Survey of Contemporary Economics. Illinois: Richard D. Irwin, 1952.

MLA استشهاد

Haley, Bernard S. Survey of Contemporary Economics. Richard D. Irwin, 1952.