APA (7. basım) Alıntı

Não informado. Summary of operations, California oil fields. Department of Natural Resources, Division of Oil and Gas.

Chicago Style (17. basım) Atıf

Não informado. Summary of Operations, California Oil Fields. San Francisco, Calif: Department of Natural Resources, Division of Oil and Gas.

MLA (8th ed.) Atıf

Não informado. Summary of Operations, California Oil Fields. Department of Natural Resources, Division of Oil and Gas.

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