APA aipamena

Philippine Long Distane Telephone Company. PLDT annual report. PLDT.

Chicago Style aipamena

Philippine Long Distane Telephone Company. PLDT Annual Report. Makati, Metro Manila: PLDT.

MLA aipamena

Philippine Long Distane Telephone Company. PLDT Annual Report. PLDT.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.