Citazione Stile APA (7a Edizione)

Doll, E. A. (1966). Preschool Attainment Record: PAR (Research ed.). American Guidance Service.

Citazione stile Chigago Style (17a edizione)

Doll, Edgar A. Preschool Attainment Record: PAR. Research ed. Circle Pines, Minn.: American Guidance Service, 1966.

Citatione MLA (9a ed.)

Doll, Edgar A. Preschool Attainment Record: PAR. Research ed. American Guidance Service, 1966.