Cita APA (7th ed.)

Private Development Corporation of the Philippines. (1969). The electric power industry. s.n.].

Cita Chicago (17th ed.)

Private Development Corporation of the Philippines. The Electric Power Industry. [Makati, Rizal: s.n.], 1969.

Cita MLA (9th ed.)

Private Development Corporation of the Philippines. The Electric Power Industry. s.n.], 1969.