Παραπομπή σε μορφή APA (7η εκδ.)

Lakshmanan, U. (1994). Universal grammar in child second language acquisition: Null subjects and morphological uniformity. J. Benjamins.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lakshmanan, Usha. Universal Grammar in Child Second Language Acquisition: Null Subjects and Morphological Uniformity. Amsterdam ; Philadelphia: J. Benjamins, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lakshmanan, Usha. Universal Grammar in Child Second Language Acquisition: Null Subjects and Morphological Uniformity. J. Benjamins, 1994.