APA aipamena

Pan, I. L. (1998). Oil import bill surges 22% to $3B in 1997. Manila Times.

Chicago Style aipamena

Pan, Isabel L. "Oil Import Bill Surges 22% to $3B in 1997." Manila Times 1998.

MLA aipamena

Pan, Isabel L. "Oil Import Bill Surges 22% to $3B in 1997." Manila Times, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.