National Research Council. Committee on Vocational Education Research and Development. (1976). Assessing vocational education research and development. National Academy of Sciences.
Cytowanie według stylu Chicago (wyd. 17)National Research Council. Committee on Vocational Education Research and Development. Assessing Vocational Education Research and Development. Washington: National Academy of Sciences, 1976.
Cytowanie według stylu MLA (wyd. 8)National Research Council. Committee on Vocational Education Research and Development. Assessing Vocational Education Research and Development. National Academy of Sciences, 1976.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..