Citazione Stile APA (7a Edizione)

Singson, R. (2005). Hazards of lead on humans exposed. Manila Bulletin.

Citazione stile Chigago Style (17a edizione)

Singson, Rebecca. "Hazards of Lead on Humans Exposed." Manila Bulletin 2005.

Citatione MLA (9a ed.)

Singson, Rebecca. "Hazards of Lead on Humans Exposed." Manila Bulletin, 2005.