Howden, W. E. (1987). Functional program testing and analysis. McGraw-Hill.
Chicago Style aipamenaHowden, William E. Functional Program Testing and Analysis. New York: McGraw-Hill, 1987.
MLA aipamenaHowden, William E. Functional Program Testing and Analysis. McGraw-Hill, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.