Gaya APA
Mash, E, J., Wolfe, D, A.
(2019).
Abnormal Child Psychology 7'th Ed
(
7)
.
USA:
Cengage Learning.
Gaya MLA
Mash, Eric, J.., Wolfe, David, A..
"Abnormal Child Psychology 7'th Ed".
7
USA:
Cengage Learning,
2019.
Text.