Παραπομπή APA

Potterton, W. J. (1970). International businessmaen's who's who 1970. London: Burke's Peerage.

Παραπομπή Chicago Style

Potterton, W. J. International Businessmaen's Who's Who 1970. London: Burke's Peerage, 1970.

Παραπομπή MLA

Potterton, W. J. International Businessmaen's Who's Who 1970. London: Burke's Peerage, 1970.

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