Cita APA (7th ed.)

Ullman, J. D. (1976). Fundamental concepts of programming systems. Addison-Wesley Publishing Company.

Cita Chicago (17th ed.)

Ullman, Jeffrey D. Fundamental Concepts of Programming Systems. Reading, Massachusetts: Addison-Wesley Publishing Company, 1976.

Cita MLA (9th ed.)

Ullman, Jeffrey D. Fundamental Concepts of Programming Systems. Addison-Wesley Publishing Company, 1976.