Liebhafsky, H. H. (1971). American Goverment and Buisness. John Wiley.
Chicago Style aipamenaLiebhafsky, H. H. American Goverment and Buisness. New York: John Wiley, 1971.
MLA aipamenaLiebhafsky, H. H. American Goverment and Buisness. John Wiley, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.