Upton, P. (2012). Psikologi perkembangan. Erlangga.
Chicago Style (17th ed.) CitationUpton, Penney. Psikologi Perkembangan. Erlangga, 2012.
MLA (8th ed.) CitationUpton, Penney. Psikologi Perkembangan. Erlangga, 2012.
Warning: These citations may not always be 100% accurate.