Não informado. (2015). Pipeline: Management, operations, engineering and gas distribution. Oildom Publishing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Pipeline: Management, Operations, Engineering and Gas Distribution. Houston, Tex: Oildom Publishing, 2015.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Pipeline: Management, Operations, Engineering and Gas Distribution. Oildom Publishing, 2015.
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