Gaya APA
arifah, P., Norwanto, M, H.
(2008).
problems in speaking skills
.
Salatiga:
STAIN Salatiga.
Gaya MLA
arifah, Putri., Norwanto, M., Hum.
"problems in speaking skills".
Salatiga:
STAIN Salatiga,
2008.
Text.