Cita APA (7th ed.)

Frommer, P. R., & Finegan, E. (2015). Looking at languages: A workbook in elementary linguistics (Sixth edition.). Cengage/Learning.

Cita Chicago (17th ed.)

Frommer, Paul R., i Edward Finegan. Looking at Languages: A Workbook in Elementary Linguistics. Sixth edition. Australia: Cengage/Learning, 2015.

Cita MLA (9th ed.)

Frommer, Paul R., i Edward Finegan. Looking at Languages: A Workbook in Elementary Linguistics. Sixth edition. Cengage/Learning, 2015.