APA-referens (7:e uppl.)

Winger, B. J. (1979). Cases in managerial economics. Grid Pub..

Chicago-referens (17:e uppl.)

Winger, Bernard J. Cases in Managerial Economics. Columbus, Ohio: Grid Pub., 1979.

MLA-referens (8:e uppl.)

Winger, Bernard J. Cases in Managerial Economics. Grid Pub., 1979.