Gaya APA
Napitupulu, S. et al (2019).
PROFESIONAL DEVELOPMENT FOR TEACHERS OF ENGLISH (PRODEVET) IN 4.0 ERA .
Yogyakarta:
Deepublish Publisher.
Gaya MLA
Napitupulu, Selviana. et al.
"PROFESIONAL DEVELOPMENT FOR TEACHERS OF ENGLISH (PRODEVET) IN 4.0 ERA".
Yogyakarta:
Deepublish Publisher,
2019.
Pendidikan Bahasa Inggris.