APA (7th ed.) Citation

Widuri, N. F., & Upton, P. (2012). Psikologi perkembangan. Erlangga.

Chicago Style (17th ed.) Citation

Widuri, Noermalasari Fajar, and Penney Upton. Psikologi Perkembangan. Erlangga, 2012.

MLA (8th ed.) Citation

Widuri, Noermalasari Fajar, and Penney Upton. Psikologi Perkembangan. Erlangga, 2012.

Warning: These citations may not always be 100% accurate.