Human models and economic systems by Richard Turner

South African History Online. (2012, July 12). Human models and economic systems by Richard Turner. South African History Online. https://sahistory.org.za/tn/ref/R-0088187

South African History Online (2012) 'Human models and economic systems by Richard Turner', South African History Online, 12 July. Available at: https://sahistory.org.za/tn/ref/R-0088187 (Accessed: 22 July 2026).

South African History Online, Human models and economic systems by Richard Turner [website], https://sahistory.org.za/tn/ref/R-0088187, (accessed 22 July 2026).

"Human models and economic systems by Richard Turner." South African History Online, 12 July 2012, https://sahistory.org.za/tn/ref/R-0088187. Accessed 22 July 2026.

South African History Online. "Human models and economic systems by Richard Turner." South African History Online. July 12, 2012. https://sahistory.org.za/tn/ref/R-0088187.