McDiarmid, O. J. (1977). Unskilled labor for development: Its economic cost. London: Johns Hopkins University Press.
शिकागो स्टाइल उद्धरणMcDiarmid, Orville John. Unskilled Labor for Development: Its Economic Cost. London: Johns Hopkins University Press, 1977.
एमएलए उद्धरणMcDiarmid, Orville John. Unskilled Labor for Development: Its Economic Cost. London: Johns Hopkins University Press, 1977.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.