Pels, D. Hendrik de Man and the ideology of planism. International Review of Social History, 32(3), 206-229.
Lua i Stíl Chicago (17ú heag.)Pels, Dick. "Hendrik De Man and the Ideology of Planism." International Review of Social History 32, no. 3 (): 206-229.
Lua MLA (8ú heag.)Pels, Dick. "Hendrik De Man and the Ideology of Planism." International Review of Social History, vol. 32, no. 3, , pp. 206-229.
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