Gaya APA
Simatupang, E, C, M. (2020).
DIGITAL APPLICATIONS FOR SYNCHRONOUS & ASYNCHRONOUS LEARNING .
Bandung:
CV. SADARI.
Gaya MLA
Simatupang, Ervina, C., M..
"DIGITAL APPLICATIONS FOR SYNCHRONOUS & ASYNCHRONOUS LEARNING".
Bandung:
CV. SADARI,
2020.
Text.