Vintimilla Coronel, S. (2012). A case study of an English as a foreign language student who presented difficulties on the difference between the simple past and the present perfect tenses – TEFL Program Portfolio.
Cytowanie według stylu Chicago (wyd. 17)Vintimilla Coronel, Stephanie. A Case Study of an English as a Foreign Language Student Who Presented Difficulties on the Difference Between the Simple Past and the Present Perfect Tenses – TEFL Program Portfolio. 2012.
Cytowanie według stylu MLA (wyd. 9)Vintimilla Coronel, Stephanie. A Case Study of an English as a Foreign Language Student Who Presented Difficulties on the Difference Between the Simple Past and the Present Perfect Tenses – TEFL Program Portfolio. 2012.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..