APA

Robertson H. M., . (1957). South Africa: economic and political aspects. Durham, N.C: Published for the Duke University Commonwealth-Studies Center [by] Duke University Press.

Chicago

Robertson Hector Menteith, . 1957. South Africa: economic and political aspects. Durham, N.C: Published for the Duke University Commonwealth-Studies Center [by] Duke University Press.

Harvard

Robertson H. M., . (1957). South Africa: economic and political aspects. Durham, N.C: Published for the Duke University Commonwealth-Studies Center [by] Duke University Press.

MLA

Robertson Hector Menteith, . South Africa: economic and political aspects. Durham, N.C: Published for the Duke University Commonwealth-Studies Center [by] Duke University Press. 1957.