APA-viite (7. p.)

Koffman, E. B. (1982). PAscal: A problem-solving approach. Addison-Wesley.

Chicago-viite (17. p.)

Koffman, Elliot B. PAscal: A Problem-solving Approach. Reading, Mass: Addison-Wesley, 1982.

MLA-viite (9. p.)

Koffman, Elliot B. PAscal: A Problem-solving Approach. Addison-Wesley, 1982.