APA

Tokheim R. L., . (1988). Schaum's outline of theory and problems of digital principles. New York: McGraw-Hill.

Chicago

Tokheim Roger L, . 1988. Schaum's outline of theory and problems of digital principles. New York: McGraw-Hill.

Harvard

Tokheim R. L., . (1988). Schaum's outline of theory and problems of digital principles. New York: McGraw-Hill.

MLA

Tokheim Roger L, . Schaum's outline of theory and problems of digital principles. New York: McGraw-Hill. 1988.