APA-čujuhus (7. p.)
(Oct 1971). 65th ANNUAL VOCATIONAL CONVENTION PROGRAM & NOTES. American Vocational Journal.
Chicago-čujuhus (17. p.)
"65th ANNUAL VOCATIONAL CONVENTION PROGRAM & NOTES." American Vocational Journal Oct 1971.
MLA-čujuhus (9. p.)
"65th ANNUAL VOCATIONAL CONVENTION PROGRAM & NOTES." American Vocational Journal, Oct 1971.
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