Philippine Association for the Retarded & Abad, C. M. (1973). Hope for the retarded in Asia. Philippine Association for the Retarded.
Citazione stile Chigago Style (17a edizione)Philippine Association for the Retarded e Conchita M. Abad. Hope for the Retarded in Asia. Manila: Philippine Association for the Retarded, 1973.
Citatione MLA (9a ed.)Philippine Association for the Retarded e Conchita M. Abad. Hope for the Retarded in Asia. Philippine Association for the Retarded, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.