Ronquillo, B. P. (1999). RP-US friendship: Economic ties getting stronger. AmCham Philippines Business Journal.
Cita Chicago (17th ed.)Ronquillo, Bernardino P. "RP-US Friendship: Economic Ties Getting Stronger." AmCham Philippines Business Journal 1999.
Cita MLA (9th ed.)Ronquillo, Bernardino P. "RP-US Friendship: Economic Ties Getting Stronger." AmCham Philippines Business Journal, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.