Brodie, L. (1984). Thinking forth: A language and philosophy for solving problems. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrodie, Leo. Thinking Forth: A Language and Philosophy for Solving Problems. Englewood Cliffs, N. J: Prentice-Hall, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBrodie, Leo. Thinking Forth: A Language and Philosophy for Solving Problems. Prentice-Hall, 1984.
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