Ronquillo, B. P. (1999). RP-US friendship: Economic ties getting stronger. AmCham Philippines Business Journal.
Citazione stile Chigago Style (17a edizione)Ronquillo, Bernardino P. "RP-US Friendship: Economic Ties Getting Stronger." AmCham Philippines Business Journal 1999.
Citatione MLA (9a ed.)Ronquillo, Bernardino P. "RP-US Friendship: Economic Ties Getting Stronger." AmCham Philippines Business Journal, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.