ALT, J. E. (1900). Positive Political Economy. [Tidak Terdaftar].
Chicago Style CitationALT, James E. Positive Political Economy. [Tidak Terdaftar], 1900.
MLA CitationALT, James E. Positive Political Economy. [Tidak Terdaftar], 1900.
Warning: These citations may not always be 100% accurate.