Lua APA (7ú heag.)

Lenneberg, E. H. (1964). New directions in the study of language. Massachusetts Institute of Technology.

Lua i Stíl Chicago (17ú heag.)

Lenneberg, Eric H. New Directions in the Study of Language. Cambridge, Mass: Massachusetts Institute of Technology, 1964.

Lua MLA (9ú heag.)

Lenneberg, Eric H. New Directions in the Study of Language. Massachusetts Institute of Technology, 1964.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.