Gaya APA
SANTROCK, J, W.
(2014).
A topical approach to life-span development
(
7th ed.)
.
New York:
McGraw-Hill.
Gaya MLA
SANTROCK, JOHN, W..
"A topical approach to life-span development".
7th ed.
New York:
McGraw-Hill,
2014.
Buku.