Petroleum Refining Industry Yearbook. IHS Markit Ltd.
Tohutoru Kātū Chicago (17th ed.)Petroleum Refining Industry Yearbook. IHS Markit Ltd.
Tohutoro MLA (9th ed.)Petroleum Refining Industry Yearbook. IHS Markit Ltd.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.