APA (7th ed.) Zitazioa
Haiduk, H. P. (1988). Pascal: Problem solving and programming. Mitchell.
Chicago Style (17th ed.) Zitazioa
Haiduk, H Paul. Pascal: Problem Solving and Programming. Califonia: Mitchell, 1988.
MLA (9th ed.) Zitazioa
Haiduk, H Paul. Pascal: Problem Solving and Programming. Mitchell, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.