APA Style
Putri, G, A. (2021).
Stop Bullying : A-Z Problem Bullying dan Solusinya (Cet. 1).
Yogyakarta:
Cemerlang Publishing.
MLA Style
Putri, Ghyna, Amanda.
"Stop Bullying : A-Z Problem Bullying dan Solusinya".
Cet. 1
Yogyakarta:
Cemerlang Publishing,
2021.
Text.