APA-Zitierstil (7. Ausg.)

University of Oklahoma. Bureau of Business Research. Economic development series. University of Oklahoma, Bureau of Business Research.

Chicago-Zitierstil (17. Ausg.)

University of Oklahoma. Bureau of Business Research. Economic Development Series. Norman: University of Oklahoma, Bureau of Business Research.

MLA-Zitierstil (8. Ausg.)

University of Oklahoma. Bureau of Business Research. Economic Development Series. University of Oklahoma, Bureau of Business Research.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.