Gaya APA
Petra, T., P., K., P. et al. (2020).
Turning Point Januari 2020 : Be the Change Let Your Light Shine! .
Surabaya:
PPPK Petra.
Gaya MLA
Petra, T., P., K., P. et al..
Turning Point Januari 2020 : Be the Change Let Your Light Shine!.
Surabaya:
PPPK Petra,
2020.
Turning Point.