Sy, J. (1992). Labor undersec defends labor expert policy: Aquino administration assessment. Philippine Collegian.
Citazione stile Chigago Style (17a edizione)Sy, Jema. "Labor Undersec Defends Labor Expert Policy: Aquino Administration Assessment." Philippine Collegian 1992.
Citatione MLA (9a ed.)Sy, Jema. "Labor Undersec Defends Labor Expert Policy: Aquino Administration Assessment." Philippine Collegian, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.