Gaya APA
Mash, E, J., Wolfe, D, A.
(2013).
Abnormal Child Psychology : Sixth Edition
.
Amerika:
Cengage Learning.
Gaya MLA
Mash, Eric, J.., Wolfe, David, A..
"Abnormal Child Psychology : Sixth Edition".
Amerika:
Cengage Learning,
2013.
Text.