Gaya APA
W.Santrock, J.
(2014).
Essentials: Of Life-Span Development
(
Third Edition)
.
New York:
McGraw-Hill.
Gaya MLA
W.Santrock, Jhon.
"Essentials: Of Life-Span Development".
Third Edition
New York:
McGraw-Hill,
2014.
textbook.