Zeman, A., Britton, T., Douglas, N., Hansen, A., Hicks, J., Howard, R., . . . Zaiwalla, Z. (2004). Narcolepsy and excessive daytime sleepiness.
Chicago Style aipamenaZeman, A., et al. Narcolepsy and Excessive Daytime Sleepiness. 2004.
MLA aipamenaZeman, A., et al. Narcolepsy and Excessive Daytime Sleepiness. 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.