Παραπομπή APA

Singh, R. K. (2013). Aquisition of english vocabulary. Anmol Publication.

Παραπομπή Chicago Style

Singh, Raj Kumar. Aquisition of English Vocabulary. New Delhi: Anmol Publication, 2013.

Παραπομπή MLA

Singh, Raj Kumar. Aquisition of English Vocabulary. Anmol Publication, 2013.