APA

Hyatt H. R., Feldman B., . (1979). The handheld calculator: use and applications. New York: Wiley.

Chicago

Hyatt Herman R, Feldman Bernard, . 1979. The handheld calculator: use and applications. New York: Wiley.

Harvard

Hyatt H. R., Feldman B., . (1979). The handheld calculator: use and applications. New York: Wiley.

MLA

Hyatt Herman R, Feldman Bernard, . The handheld calculator: use and applications. New York: Wiley. 1979.