Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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