APA (7th ed.) Citation

Alessandra, T., O'Connor, M. J., & VanDyke, J. (2010). People smarts: Tips mengenali dan menghadapi berbagai tipe kepribadian. Indeks.

Chicago Style (17th ed.) Citation

Alessandra, Tony, Michael J. O'Connor, and Janice VanDyke. People Smarts: Tips Mengenali Dan Menghadapi Berbagai Tipe Kepribadian. Indeks, 2010.

MLA (8th ed.) Citation

Alessandra, Tony, et al. People Smarts: Tips Mengenali Dan Menghadapi Berbagai Tipe Kepribadian. Indeks, 2010.

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