APA ציטוט

Varner, W. W. (1957). Computing with desk calculators. Rinehart.

Chicago Style (17th ed.) Citation

Varner, Walter W. Computing with Desk Calculators. New York: Rinehart, 1957.

ציטוט MLA

Varner, Walter W. Computing with Desk Calculators. Rinehart, 1957.