Cita APA (7th ed.)

Watt, D. A. (1990). Programming language concepts and paradigms. Prentice Hall.

Cita Chicago (17th ed.)

Watt, David A. Programming Language Concepts and Paradigms. New York: Prentice Hall, 1990.

Cita MLA (9th ed.)

Watt, David A. Programming Language Concepts and Paradigms. Prentice Hall, 1990.