APA引文

Sachs , I. (1964). Planning and Economic Development. PWN.

芝加哥风格引文

Sachs , Ignacy. Planning and Economic Development. Warsaw: PWN, 1964.

MLA引文

Sachs , Ignacy. Planning and Economic Development. PWN, 1964.

警告：这些引文格式不一定是100％准确.