APA aipamena

Mercer, L. G. (1965). Adding And Calculating Machines (3rd.). McDonald and Evans.

Chicago Style aipamena

Mercer, Lawrence G. Adding And Calculating Machines. 3rd. London: McDonald and Evans, 1965.

MLA aipamena

Mercer, Lawrence G. Adding And Calculating Machines. 3rd. McDonald and Evans, 1965.

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