Παραπομπή σε μορφή APA (7η εκδ.)

Ali, Z. (2012). Effects of three vocabulary learning techniques on vocabulary retention of ESL undergraduates in a Malaysian university.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ali, Zuraina. Effects of Three Vocabulary Learning Techniques on Vocabulary Retention of ESL Undergraduates in a Malaysian University. 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ali, Zuraina. Effects of Three Vocabulary Learning Techniques on Vocabulary Retention of ESL Undergraduates in a Malaysian University. 2012.