एपीए उद्धरण

Nurke,Ragnar. (1961). Patterns of trade and development. Basil black well.

शिकागो स्टाइल उद्धरण

Nurke,Ragnar. Patterns of Trade and Development. Oxford: Basil black well, 1961.

एमएलए उद्धरण

Nurke,Ragnar. Patterns of Trade and Development. Basil black well, 1961.