Eastern Book Company. Gas Cylinders Rules,2004 (2nd.). Eastern Book Company.
Cita Chicago (17th ed.)Eastern Book Company. Gas Cylinders Rules,2004. 2nd. Lucknow Lucknow: Eastern Book Company.
Cita MLA (9th ed.)Eastern Book Company. Gas Cylinders Rules,2004. 2nd. Eastern Book Company.
Atenció: Aquestes cites poden no estar 100% correctes.