Hayes, C. (1986). Four national training systems compared: Achievements and issues. National Center for Research in Vocational Education, Ohio State University.
Cytowanie według stylu Chicago (wyd. 17)Hayes, Chris. Four National Training Systems Compared: Achievements and Issues. Columbus, Ohio: National Center for Research in Vocational Education, Ohio State University, 1986.
Cytowanie według stylu MLA (wyd. 8)Hayes, Chris. Four National Training Systems Compared: Achievements and Issues. National Center for Research in Vocational Education, Ohio State University, 1986.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..