APA-viite (7. p.)
BLACK, J. (1987). PRICING PRACTICE OF SHELTERED WORKSHOPS VS. OPEN EMPLOYMENT CONSUMER IMPLICATIONS.
Chicago-viite (17. p.)
BLACK, J. PRICING PRACTICE OF SHELTERED WORKSHOPS VS. OPEN EMPLOYMENT CONSUMER IMPLICATIONS. 1987.
MLA-viite (9. p.)
BLACK, J. PRICING PRACTICE OF SHELTERED WORKSHOPS VS. OPEN EMPLOYMENT CONSUMER IMPLICATIONS. 1987.
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