Philippines. Congress (1987- ). Senate & Philippines. Congress (1987- ). Senate. Publication and Editorial Division. (1989). Republic of the Philippines, Congress of the Philippines, Senate, information brochure. Senate, Congress of the Philippines.
Cytowanie według stylu Chicago (wyd. 17)Philippines. Congress (1987- ). Senate i Philippines. Congress (1987- ). Senate. Publication and Editorial Division. Republic of the Philippines, Congress of the Philippines, Senate, Information Brochure. Manila: Senate, Congress of the Philippines, 1989.
Cytowanie według stylu MLA (wyd. 9)Philippines. Congress (1987- ). Senate i Philippines. Congress (1987- ). Senate. Publication and Editorial Division. Republic of the Philippines, Congress of the Philippines, Senate, Information Brochure. Senate, Congress of the Philippines, 1989.