(1981). 5 years to top Galoc oilfield. Bulletin Today.
Chicagoスタイル(17版)引用形式"5 Years to Top Galoc Oilfield." Bulletin Today 1981.
MLA(9版)引用形式"5 Years to Top Galoc Oilfield." Bulletin Today, 1981.
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APA(7版)引用形式