Gaya APA
Wiyani, N, A.
(2012).
Save Our Children From School Bullying
.
Jogjakarta:
Ar-Ruzz Media.
Gaya MLA
Wiyani, Novan, Ardy.
"Save Our Children From School Bullying".
Jogjakarta:
Ar-Ruzz Media,
2012.
Pendidikan.