Gaya APA
E, G., R. et al. (2009).
Change your smile: discover how a new smile can tranform your life (4th).
Hanover Park:
Quintessence Publishing.
Gaya MLA
E, G., R. et al..
Change your smile: discover how a new smile can tranform your life.
4th
Hanover Park:
Quintessence Publishing,
2009.
Text.