Cita APA (7a ed.)

Koffman, E. B. (1988). Problem solving and structured programming in Modula-2. Addison-Wesley.

Cita Chicago Style (17a ed.)

Koffman, Elliot B. Problem Solving and Structured Programming in Modula-2. Reading, Massachusetts [etc.]: Addison-Wesley, 1988.

Cita MLA (9a ed.)

Koffman, Elliot B. Problem Solving and Structured Programming in Modula-2. Addison-Wesley, 1988.