Spitzbart, A. (1962). Introductory algebra and trigonometry. Addison-Wesley Publishing Company, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpitzbart, Abraham. Introductory Algebra and Trigonometry. Reading, Massachusetts: Addison-Wesley Publishing Company, Inc, 1962.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSpitzbart, Abraham. Introductory Algebra and Trigonometry. Addison-Wesley Publishing Company, Inc, 1962.
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