Gaya APA
Santrock, J, W.
(2012).
Life Span Development: Jilid 2
(
ed. 13)
.
Jakarta:
Erlangga.
Gaya MLA
Santrock, John, W.
"Life Span Development: Jilid 2".
ed. 13
Jakarta:
Erlangga,
2012.
Text.