APA Style
Santrock, J, W.
(2014).
Essentials of Life-Span Development (3e)
(
3)
.
New York:
McGraw-Hill..
MLA Style
Santrock, John, W..
"Essentials of Life-Span Development (3e)".
3
New York:
McGraw-Hill.,
2014.
Psikologi.