Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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