Gaya APA

Seifert, kelvin L., Hoffnung, Michele, Hoffnung, Robert J.. (2000). Lifespan Development Second Edition (Cet. 1). USA: Houghton Mifflin.

Gaya Chicago

Seifert, kelvin L., Hoffnung, Michele, Hoffnung, Robert J.. Lifespan Development Second Edition. Cet. 1 USA: Houghton Mifflin, 2000. Text.

Gaya MLA

Seifert, kelvin L., Hoffnung, Michele, Hoffnung, Robert J.. Lifespan Development Second Edition. Cet. 1 USA: Houghton Mifflin, 2000. Text.

Gaya Turabian

Seifert, kelvin L., Hoffnung, Michele, Hoffnung, Robert J.. Lifespan Development Second Edition. Cet. 1 USA: Houghton Mifflin, 2000. Print.