Cita APA (7th ed.)

Lenneberg, E. H., & Lenneberg, E. (1975). Foundations of language development: A multidisplinary approach. Academic Pr..

Cita Chicago (17th ed.)

Lenneberg, Eric H., i Elizabeth Lenneberg. Foundations of Language Development: A Multidisplinary Approach. NewYork: Academic Pr., 1975.

Cita MLA (9th ed.)

Lenneberg, Eric H., i Elizabeth Lenneberg. Foundations of Language Development: A Multidisplinary Approach. Academic Pr., 1975.