APA (7e ed.) Bronvermelding

Upjohn, R., & Ruffin, M. H. (1997). Internet resources for economic educators. National Council on Economic Education Center for Civil Society International.

Chicago (17e ed.) Bronvermelding

Upjohn, Richard, en M. Holt Ruffin. Internet Resources for Economic Educators. [New York], [Seattle, Washignton]: National Council on Economic Education Center for Civil Society International, 1997.

MLA (9e ed.) Bronvermelding

Upjohn, Richard, en M. Holt Ruffin. Internet Resources for Economic Educators. National Council on Economic Education Center for Civil Society International, 1997.