Cita APA (7th ed.)

Beach, R. J. (1982). Computing: An introduction to structured problem solving using PASCAL. Preston Publishing.

Cita Chicago (17th ed.)

Beach, R. J. Computing: An Introduction to Structured Problem Solving Using PASCAL. Reston, Virginia: Preston Publishing, 1982.

Cita MLA (9th ed.)

Beach, R. J. Computing: An Introduction to Structured Problem Solving Using PASCAL. Preston Publishing, 1982.