Gaya APA
Mash, E, J., A, I, W, D.
(2010).
Abnormal child psychology
.
California:
California: Wadsworth, 2010.
Gaya MLA
Mash, Eric, J., A, I., Wolfe,, David.
"Abnormal child psychology".
California:
California: Wadsworth, 2010,
2010.
.