Palmer, C. I. (1942). Practical mathematics for home study: Being the essentails of arithmetic, geometry, algebra and trigonometry (3rd ed.). McGraw-Hill Book company.
芝加哥风格引文Palmer, Claude Irwin. Practical Mathematics for Home Study: Being the Essentails of Arithmetic, Geometry, Algebra and Trigonometry. 3rd ed. New York,N.Y: McGraw-Hill Book company, 1942.
MLA引文Palmer, Claude Irwin. Practical Mathematics for Home Study: Being the Essentails of Arithmetic, Geometry, Algebra and Trigonometry. 3rd ed. McGraw-Hill Book company, 1942.
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