Cita APA (7th ed.)

sack, k. (1964). special conceptions of socialist economy. the institute of national planning.

Cita Chicago (17th ed.)

sack, kurt. Special Conceptions of Socialist Economy. cairo: the institute of national planning, 1964.

Cita MLA (9th ed.)

sack, kurt. Special Conceptions of Socialist Economy. the institute of national planning, 1964.