APA-viite (7. p.)
KEMPEN, G., & ET AL. (1999). THE ASSESSMENT OF DISABILITY WITH THE GRONINGEN ACTIVITY RESTRICTION SCALE. CONCEPTUAL FRAMEWORK AND PSYCHOMETRIC PROPERTIES.
Chicago-viite (17. p.)
KEMPEN, G.I.J.M, ja ET AL. THE ASSESSMENT OF DISABILITY WITH THE GRONINGEN ACTIVITY RESTRICTION SCALE. CONCEPTUAL FRAMEWORK AND PSYCHOMETRIC PROPERTIES. 1999.
MLA-viite (9. p.)
KEMPEN, G.I.J.M, ja ET AL. THE ASSESSMENT OF DISABILITY WITH THE GRONINGEN ACTIVITY RESTRICTION SCALE. CONCEPTUAL FRAMEWORK AND PSYCHOMETRIC PROPERTIES. 1999.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.