APA aipamena

Orig, T. S. (1999). RP can harness its richest energy source - with the sun, wind. Manila Bulletin.

Chicago Style aipamena

Orig, Thor S. "RP Can Harness Its Richest Energy Source - with the Sun, Wind." Manila Bulletin 1999.

MLA aipamena

Orig, Thor S. "RP Can Harness Its Richest Energy Source - with the Sun, Wind." Manila Bulletin, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.