Gaya APA

Santrock, J, W. (2014). Essentials Of Life-Span Development Edisi 3 (Edisi 3). New York: McGraw-Hill.

Gaya MLA

Santrock, John, W.. "Essentials Of Life-Span Development Edisi 3". Edisi 3 New York: McGraw-Hill, 2014. Text.