Παραπομπή APA

Caves & Roberts. (1975). Regulating the product: Quality and variety. Ballinger.

Παραπομπή Chicago Style

Caves και Roberts. Regulating the Product: Quality and Variety. USA: Ballinger, 1975.

Παραπομπή MLA

Caves και Roberts. Regulating the Product: Quality and Variety. Ballinger, 1975.