Nakamura, T., & Fujiwara, S. (1999). Vertebral and hip fractures in Japan. World Health Organization.
Chicago Style aipamenaNakamura, T., and S. Fujiwara. Vertebral and Hip Fractures in Japan. World Health Organization, 1999.
MLA aipamenaNakamura, T., and S. Fujiwara. Vertebral and Hip Fractures in Japan. World Health Organization, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.