Gaya APA
Ummiyati, S, N., Norwanto, M. (2007).
A Descriptive Study of Registers Used in Short Message Service (SMS) .
Salatiga:
STAIN Salatiga.
Gaya MLA
Ummiyati, Sulis, Nur., Norwanto, M.Hum.
"A Descriptive Study of Registers Used in Short Message Service (SMS)".
Salatiga:
STAIN Salatiga,
2007.
Text.