D'Costa, A. G. (1968). The differentiation of high school students in vocational education areas by the Ohio vocational interest survey. [publisher not identified].
Chicago Style (17th ed.) CitationD'Costa, Ayres G. The Differentiation of High School Students in Vocational Education Areas by the Ohio Vocational Interest Survey. [Place of publication not identified]: [publisher not identified], 1968.
MLA (9th ed.) CitationD'Costa, Ayres G. The Differentiation of High School Students in Vocational Education Areas by the Ohio Vocational Interest Survey. [publisher not identified], 1968.
Warning: These citations may not always be 100% accurate.