Sinag-tala. (1982). Sinag-tala executive marketing factbook: Philippines, Southeast Asia. Sinag-tala.
Cita Chicago Style (17a ed.)Sinag-tala. Sinag-tala Executive Marketing Factbook: Philippines, Southeast Asia. Manila: Sinag-tala, 1982.
Cita MLA (9a ed.)Sinag-tala. Sinag-tala Executive Marketing Factbook: Philippines, Southeast Asia. Sinag-tala, 1982.
Precaución: Estas citas no son 100% exactas.