Singson, R. B. (2006). Pap smear and early detection key to cervical cancer treatment. Manila Standard Today.
Citazione stile Chigago Style (17a edizione)Singson, Rebecca B. "Pap Smear and Early Detection Key to Cervical Cancer Treatment." Manila Standard Today 2006.
Citatione MLA (9a ed.)Singson, Rebecca B. "Pap Smear and Early Detection Key to Cervical Cancer Treatment." Manila Standard Today, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.