OWENS, R. E., Jr. (2016). Language development: An introduction. Pearson Education.
Lua i Stíl Chicago (17ú heag.)OWENS, Robert E., Jr. Language Development: An Introduction. Pearson Education, 2016.
Lua MLA (9ú heag.)OWENS, Robert E., Jr. Language Development: An Introduction. Pearson Education, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.