(1991). Ergonomics and VDT use / collected by the Library of Congress Collections Services VDT Ergonomics Committee.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ergonomics and VDT Use / Collected by the Library of Congress Collections Services VDT Ergonomics Committee. 1991.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ergonomics and VDT Use / Collected by the Library of Congress Collections Services VDT Ergonomics Committee. 1991.
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