Legaspi, R. (1998). Easy Call plans expansion, eyes 2 local paging firms. Manila Times.
Chicago Style aipamenaLegaspi, Raymond. "Easy Call Plans Expansion, Eyes 2 Local Paging Firms." Manila Times 1998.
MLA aipamenaLegaspi, Raymond. "Easy Call Plans Expansion, Eyes 2 Local Paging Firms." Manila Times, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.