APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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