National Society for the Study of Education. Committee on the Educationally Retarded Disadvantaged & Witty, P. A. (1967). The educationally retarded and disadvantaged. NSEE.
Cytowanie według stylu Chicago (wyd. 17)National Society for the Study of Education. Committee on the Educationally Retarded Disadvantaged i Paul Andrew Witty. The Educationally Retarded and Disadvantaged. Chicago: NSEE, 1967.
Cytowanie według stylu MLA (wyd. 9)National Society for the Study of Education. Committee on the Educationally Retarded Disadvantaged i Paul Andrew Witty. The Educationally Retarded and Disadvantaged. NSEE, 1967.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..