APA-viite (7. p.)
(Dec 1999). Illinois Occupational Skill Standards: Administrative Support Cluster. ERIC, Resources in Education (RIE).
Chicago-viite (17. p.)
"Illinois Occupational Skill Standards: Administrative Support Cluster." ERIC, Resources in Education (RIE) Dec 1999.
MLA-viite (9. p.)
"Illinois Occupational Skill Standards: Administrative Support Cluster." ERIC, Resources in Education (RIE), Dec 1999.
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