Palmer, C. I. (1942). Practical mathematics for home study: Being the essentails of arithmetic, geometry, algebra and trigonometry (3rd ed.). McGraw-Hill Book company.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (9ú heag.)Palmer, Claude Irwin. Practical Mathematics for Home Study: Being the Essentails of Arithmetic, Geometry, Algebra and Trigonometry. 3rd ed. McGraw-Hill Book company, 1942.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.