Dyfyniad APA

Craven,John. (1979). The distribution of the product. George Allen & Unwin.

Dyfyniad Arddull Chicago

Craven,John. The Distribution of the Product. London: George Allen & Unwin, 1979.

Dyfyniad MLA

Craven,John. The Distribution of the Product. George Allen & Unwin, 1979.

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