Gaya APA
Uswatun, D, A., Maula, L, H. ().
Proceeding International Conference On Elementary Education : the infusion of 21st century skills on elementary education .
Bandung:
UPI Press.
Gaya MLA
Uswatun, Din, Azwar., Maula, Luthfi, Hamdani.
"Proceeding International Conference On Elementary Education : the infusion of 21st century skills on elementary education".
Bandung:
UPI Press,
.
Text.