Dyfyniad APA
GERTY, M., & ET AL. (1993). DEVELOPMENT AND VALIDATION OF A PHYSICAL PERFORMANCE INSTRUMENT FOT THE FUNCTIONALLY IMPAIRED ELDERLY: THE PHYSICAL DISABILITY INDEX (PDI).
Dyfyniad Arddull Chicago
GERTY, M.B, and ET AL. DEVELOPMENT AND VALIDATION OF A PHYSICAL PERFORMANCE INSTRUMENT FOT THE FUNCTIONALLY IMPAIRED ELDERLY: THE PHYSICAL DISABILITY INDEX (PDI). 1993.
Dyfyniad MLA
GERTY, M.B, and ET AL. DEVELOPMENT AND VALIDATION OF A PHYSICAL PERFORMANCE INSTRUMENT FOT THE FUNCTIONALLY IMPAIRED ELDERLY: THE PHYSICAL DISABILITY INDEX (PDI). 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.