Cita APA

RIANA, D. (2008). 99 ideas for happy teens. Bandung: Zip Books.

Chicago Style Citation

RIANA, Deny. 99 Ideas for Happy Teens. Bandung: Zip Books, 2008.

Cita MLA

RIANA, Deny. 99 Ideas for Happy Teens. Bandung: Zip Books, 2008.