Cita APA

Petroleum Institute of the Philippines, I. (1966). The Refining and marketing of petroleum in the Philippines. [s.n.].

Citación estilo Chicago

Petroleum Institute of the Philippines, Inc. The Refining and Marketing of Petroleum in the Philippines. Manila: [s.n.], 1966.

Cita MLA

Petroleum Institute of the Philippines, Inc. The Refining and Marketing of Petroleum in the Philippines. [s.n.], 1966.