APA引文

Spitz, A. E. (1975). Retailing: Case problems. Grid, inc.

芝加哥风格引文

Spitz, A. Edward. Retailing: Case Problems. Columbus, Ohio: Grid, inc, 1975.

MLA引文

Spitz, A. Edward. Retailing: Case Problems. Grid, inc, 1975.

警告：这些引文格式不一定是100％准确.