Skeil, D. A., & Speed, C. (1992). Vitamin C depletion and pressure sores.
Chicago Style aipamenaSkeil, D. A., and C. Speed. Vitamin C Depletion and Pressure Sores. 1992.
MLA aipamenaSkeil, D. A., and C. Speed. Vitamin C Depletion and Pressure Sores. 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.