Jeffrey, A. (1974). Basic Mathematics for engineers and technologists. Nelson.
शिकागो स्टाइल उद्धरणJeffrey, Alan. Basic Mathematics for Engineers and Technologists. London: Nelson, 1974.
एमएलए उद्धरणJeffrey, Alan. Basic Mathematics for Engineers and Technologists. Nelson, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.