Παραπομπή APA

Crowhurst, N. H. (1965). Graphical calculators and their design. New York: Hayden Book Co.

Παραπομπή Chicago Style

Crowhurst, Norman H. Graphical Calculators and Their Design. New York: Hayden Book Co, 1965.

Παραπομπή MLA

Crowhurst, Norman H. Graphical Calculators and Their Design. New York: Hayden Book Co, 1965.

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