Lenneberg, E. H. (1964). New directions in the study of language. Massachusetts Institute of Technology.
Citazione stile Chigago Style (17a edizione)Lenneberg, Eric H. New Directions in the Study of Language. Cambridge, Mass: Massachusetts Institute of Technology, 1964.
Citatione MLA (9a ed.)Lenneberg, Eric H. New Directions in the Study of Language. Massachusetts Institute of Technology, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.