Grogono, P. (1978). Programming in PASCAL. Addison-Wesley Pub. Co..
Chicago Style (17th ed.) ZitazioaGrogono, Peter. Programming in PASCAL. Reading, Mass.: Addison-Wesley Pub. Co., 1978.
MLA (9th ed.) ZitazioaGrogono, Peter. Programming in PASCAL. Addison-Wesley Pub. Co., 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.