Fey, J. T., & Heid, M. K. (1995). Concepts in algebra: A technological approach. Janson Publications.
Chicago Style (17. basım) AtıfFey, James Taylor, ve Mary Kathleen Heid. Concepts in Algebra: A Technological Approach. Dedham, Mass: Janson Publications, 1995.
MLA (9th ed.) AtıfFey, James Taylor, ve Mary Kathleen Heid. Concepts in Algebra: A Technological Approach. Janson Publications, 1995.
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