Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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