APA
Tan R., . (1988). <The> Philippine Congress 1987-1992. Manila: Creative Computech Pub.
Chicago
Tan Ruben, . 1988. <The> Philippine Congress 1987-1992. Manila: Creative Computech Pub.
Harvard
Tan R., . (1988). <The> Philippine Congress 1987-1992. Manila: Creative Computech Pub.
MLA
Tan Ruben, . <The> Philippine Congress 1987-1992. Manila: Creative Computech Pub. 1988.