Pan, I. L. (1998). Oil import bill surges 22% to $3B in 1997. Manila Times.
Citación estilo ChicagoPan, Isabel L. "Oil Import Bill Surges 22% to $3B in 1997." Manila Times 1998.
Cita MLAPan, Isabel L. "Oil Import Bill Surges 22% to $3B in 1997." Manila Times, 1998.
Warning: These citations may not always be 100% accurate.