Doll, E. A. (1966). Preschool Attainment Record: PAR (Research ed.). American Guidance Service.
Chicago Style (17th ed.) CitationDoll, Edgar A. Preschool Attainment Record: PAR. Research ed. Circle Pines, Minn.: American Guidance Service, 1966.
MLA (9th ed.) CitationDoll, Edgar A. Preschool Attainment Record: PAR. Research ed. American Guidance Service, 1966.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.