Ting, P., & Adams, S. (2013). Question: Can you identify this condition? College of Family Physicians of Canada.
Chicago-tyylinen lähdeviittausTing, Patricia, ja Stewart Adams. Question: Can You Identify This Condition? College of Family Physicians of Canada, 2013.
MLA-viiteTing, Patricia, ja Stewart Adams. Question: Can You Identify This Condition? College of Family Physicians of Canada, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.