(2000). OPACIDS: Providing broader access to information materials. PIDS Development Research News.
Citazione stile Chigago Style (17a edizione)"OPACIDS: Providing Broader Access to Information Materials." PIDS Development Research News 2000.
Citatione MLA (9a ed.)"OPACIDS: Providing Broader Access to Information Materials." PIDS Development Research News, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.