Frommer, P. R., & Finegan, E. (2004). Looking at languages: A workbook elementary linguistics (3rd ed.). Boston, MA: Thomson/Wadsworth.
Chicago Style aipamenaFrommer, Paul R., và Edward Finegan. Looking At Languages: A Workbook Elementary Linguistics. 3rd ed. Boston, MA: Thomson/Wadsworth, 2004.
MLA aipamenaFrommer, Paul R., và Edward Finegan. Looking At Languages: A Workbook Elementary Linguistics. 3rd ed. Boston, MA: Thomson/Wadsworth, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.