Krishnan, A., & Silver, N. (2009). Headache (chronic tension-type). BMJ Publishing Group.
Citação norma ChicagoKrishnan, Anita, and Nicholas Silver. Headache (chronic Tension-type). BMJ Publishing Group, 2009.
MLA CitationKrishnan, Anita, and Nicholas Silver. Headache (chronic Tension-type). BMJ Publishing Group, 2009.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.