Gaya APA
Gunawan, N.
(2016).
Students' Difficulties I Doing Impromptu Speech
.
Bogor:
FKIP Unpak.
Gaya MLA
Gunawan, Niga/031111173.
"Students' Difficulties I Doing Impromptu Speech".
Bogor:
FKIP Unpak,
2016.
Skripsi PGSD.