Gaskill, H. S., & Narayanaswami, P. P. (1998). Elements of real analysis. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Gaskill, Herbert S., agus P. P. Narayanaswami. Elements of Real Analysis. Upper Saddle River, N. J: Prentice-Hall, 1998.
Lua MLA (9ú heag.)Gaskill, Herbert S., agus P. P. Narayanaswami. Elements of Real Analysis. Prentice-Hall, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.