Dyfyniad APA

Seligman, E. R. A. 1. (1894). Progressive taxation in theory and practice. American Economic Association.

Dyfyniad Arddull Chicago

Seligman, Edwin Robert Anderson 1861. Progressive Taxation in Theory and Practice. [Baltimore]: American Economic Association, 1894.

Dyfyniad MLA

Seligman, Edwin Robert Anderson 1861. Progressive Taxation in Theory and Practice. American Economic Association, 1894.

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