Gaya APA

IPTEK, The Journal for Technology and Science Vol. 30 No. 1 April 2019. (2019). Surabaya: ITS.

Gaya MLA

IPTEK, The Journal for Technology and Science Vol. 30 No. 1 April 2019. Vol. 30 No. 1 April 2019. Surabaya: ITS, 2019. Jurnal.