APA aipamena

Philippines (Republic). Industrial Development Center & Festin, P. M. (1961). Second survey of the industrial chemicals in the Philippines. [s.n.].

Chicago Style aipamena

Philippines (Republic). Industrial Development Center and Purita M. Festin. Second Survey of the Industrial Chemicals in the Philippines. Manila: [s.n.], 1961.

MLA aipamena

Philippines (Republic). Industrial Development Center and Purita M. Festin. Second Survey of the Industrial Chemicals in the Philippines. [s.n.], 1961.