Cita APA (7th ed.)

Feldman, J., & Tonge, F. M. (1975). Computing: An introduction to procedures and procedure-followers. McGraw-Hill.

Cita Chicago (17th ed.)

Feldman, Julian, i Fred M. Tonge. Computing: An Introduction to Procedures and Procedure-followers. New York: McGraw-Hill, 1975.

Cita MLA (9th ed.)

Feldman, Julian, i Fred M. Tonge. Computing: An Introduction to Procedures and Procedure-followers. McGraw-Hill, 1975.