APA استشهاد

Valsala P. (2014). Nellu (4ed.). Sahitya Pravarthaka Sahakarana Sangham.

استشهاد بنمط شيكاغو

Valsala P. Nellu. 4ed. Kottayam: Sahitya Pravarthaka Sahakarana Sangham, 2014.

MLA استشهاد

Valsala P. Nellu. 4ed. Sahitya Pravarthaka Sahakarana Sangham, 2014.