Παραπομπή APA

Ballance, R. H. (1987). International industry and business. Allan & Unwin.

Παραπομπή Chicago Style

Ballance, Robert H. International Industry and Business. London: Allan & Unwin, 1987.

Παραπομπή MLA

Ballance, Robert H. International Industry and Business. Allan & Unwin, 1987.