Eastern Book Company. Gas Cylinders Rules,2004 (2nd.). Eastern Book Company.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Eastern Book Company. Gas Cylinders Rules,2004. 2nd. Lucknow Lucknow: Eastern Book Company.
MLA -ийн эшлэл (9 дэх хэвлэлт)Eastern Book Company. Gas Cylinders Rules,2004. 2nd. Eastern Book Company.
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