Gaya APA

e-Kata. (2017-2018). surabaya: English Departement, Faculty of Letters, Petra Christian University.

Gaya MLA

e-Kata. Vol. 19 No. 1 Th 2017 - Vol 20 No 2 Th 2018. surabaya: English Departement, Faculty of Letters, Petra Christian University, 2017-2018. Text.