Shiyou jixie | Editorial Office of China Petroleum Machinery. Cambridge University Press.
Tohutoru Kātū Chicago (17th ed.)Shiyou Jixie | Editorial Office of China Petroleum Machinery. Cambridge University Press.
Tohutoro MLA (9th ed.)Shiyou Jixie | Editorial Office of China Petroleum Machinery. Cambridge University Press.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.