(2000). OPACIDS: Providing broader access to information materials. PIDS Development Research News.
芝加哥风格引文"OPACIDS: Providing Broader Access to Information Materials." PIDS Development Research News 2000.
MLA引文"OPACIDS: Providing Broader Access to Information Materials." PIDS Development Research News, 2000.
警告：这些引文格式不一定是100％准确.