APA (7th ed.) Citation

Zulkifli. (2012). Psikologi Perkembangan. Gramedia.

Chicago Style (17th ed.) Citation

Zulkifli. Psikologi Perkembangan. Gramedia, 2012.

MLA (8th ed.) Citation

Zulkifli. Psikologi Perkembangan. Gramedia, 2012.

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