APA aipamena

Pearson E.S. (1943). Tracts for Computers (Second Edition.1943.). University Press.

Chicago Style aipamena

Pearson E.S. Tracts for Computers. Second Edition.1943. [s.l]: University Press, 1943.

MLA aipamena

Pearson E.S. Tracts for Computers. Second Edition.1943. University Press, 1943.