Bagtas, C. R., & Corral, L. M. (1997). Political action manual: A guide for lobbying and campaigns. Democracy Development Projects, Trade Union Congress of the Philippines.
Chicago-viite (17. p.)Bagtas, Cedric R., ja Luis Manuel Corral. Political Action Manual: A Guide for Lobbying and Campaigns. Quezon City: Democracy Development Projects, Trade Union Congress of the Philippines, 1997.
MLA-viite (9. p.)Bagtas, Cedric R., ja Luis Manuel Corral. Political Action Manual: A Guide for Lobbying and Campaigns. Democracy Development Projects, Trade Union Congress of the Philippines, 1997.
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