Stein, P. (1964). Graphical analysis: Understanding graphs and curves in technology. Hayden Book Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStein, Philip. Graphical Analysis: Understanding Graphs and Curves in Technology. New York: Hayden Book Co, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStein, Philip. Graphical Analysis: Understanding Graphs and Curves in Technology. Hayden Book Co, 1964.
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