Gaya APA
Petra, T., P., K., P. et al. (2021).
Turning Point Juni 2021 : Change Your Life Set And Achieve Your Goal .
Surabaya:
PPPK Petra.
Gaya MLA
Petra, T., P., K., P. et al..
Turning Point Juni 2021 : Change Your Life Set And Achieve Your Goal.
Surabaya:
PPPK Petra,
2021.
Turning Point.