Cruz, B., & Mapagu, S. (1998). What makes a poll winner? Money, machine, popularity. [series]. Manila Times.
Chicago Style aipamenaCruz, Booma, and Shalom Mapagu. "What Makes a Poll Winner? Money, Machine, Popularity. [series]." Manila Times 1998.
MLA aipamenaCruz, Booma, and Shalom Mapagu. "What Makes a Poll Winner? Money, Machine, Popularity. [series]." Manila Times, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.