Please, C., Pettet, G., & McElwain, D. (1999). Avascular tumour dynamics and necrosis.
Chicago Style aipamenaPlease, C., G. Pettet, and D. McElwain. Avascular Tumour Dynamics and Necrosis. 1999.
MLA aipamenaPlease, C., et al. Avascular Tumour Dynamics and Necrosis. 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.