Ting, P. T., & Barankin, B. (2005). Brown macules on the cheeks. College of Family Physicians of Canada.
Citación estilo ChicagoTing, Patricia T., y Benjamin Barankin. Brown Macules On the Cheeks. College of Family Physicians of Canada, 2005.
Cita MLATing, Patricia T., y Benjamin Barankin. Brown Macules On the Cheeks. College of Family Physicians of Canada, 2005.
Precaución: Estas citas no son 100% exactas.