APA استشهاد

Premdas Chengannur. (2018). Premz English: Written and spoken English text. Premz institute.

استشهاد بنمط شيكاغو

Premdas Chengannur. Premz English: Written and Spoken English Text. Chengannur: Premz institute, 2018.

MLA استشهاد

Premdas Chengannur. Premz English: Written and Spoken English Text. Premz institute, 2018.