Nurke,Ragnar. (1961). Patterns of trade and development. Basil black well.
Čikaški stil citiranjaNurke,Ragnar. Patterns of Trade and Development. Oxford: Basil black well, 1961.
MLA način citiranjaNurke,Ragnar. Patterns of Trade and Development. Basil black well, 1961.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.