Ring, A., & Head, J. (2003). 25th Annual San Antonio Breast Cancer Symposium, San Antonio, Texas, USA, 10–14 December 2002 Update on clinical research. BioMed Central.
Citação norma ChicagoRing, Alistair, and Julia Head. 25th Annual San Antonio Breast Cancer Symposium, San Antonio, Texas, USA, 10–14 December 2002 Update On Clinical Research. BioMed Central, 2003.
Citação norma MLARing, Alistair, and Julia Head. 25th Annual San Antonio Breast Cancer Symposium, San Antonio, Texas, USA, 10–14 December 2002 Update On Clinical Research. BioMed Central, 2003.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.