Gaya APA

Santrock, John W.. (2014). Essentials of life-span development (46). New York: McGraw-Hills.

Gaya Chicago

Santrock, John W.. Essentials of life-span development. 46 New York: McGraw-Hills, 2014. Text.

Gaya MLA

Santrock, John W.. Essentials of life-span development. 46 New York: McGraw-Hills, 2014. Text.

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Santrock, John W.. Essentials of life-span development. 46 New York: McGraw-Hills, 2014. Print.