Παραπομπή APA

Robinson, E. (1958). Structure of competitive industry. James Nisbet and company.

Παραπομπή Chicago Style

Robinson, E.A.G. Structure of Competitive Industry. Cambridge: James Nisbet and company, 1958.

Παραπομπή MLA

Robinson, E.A.G. Structure of Competitive Industry. James Nisbet and company, 1958.