Cita APA (7th ed.)

Petroleum Institute of the Philippines, Inc. (1962). The refining and marketing of petroleum in the Philippines. s.n.

Cita Chicago (17th ed.)

Petroleum Institute of the Philippines, Inc. The Refining and Marketing of Petroleum in the Philippines. [Manila: s.n, 1962.

Cita MLA (9th ed.)

Petroleum Institute of the Philippines, Inc. The Refining and Marketing of Petroleum in the Philippines. s.n, 1962.