Abbott, Edwin Abbott, and Rosemary Jann. 2006. Flatland: A Romance of Many Dimensions. Vol. Oxford world’s classics. Oxford: Oxford University Press.
James, Glyn. 2007. Modern Engineering Mathematics. 4th ed. Harlow: Prentice Hall.
Stewart, Ian. 2003. Flatterland: Like Flatland Only More So. London: Pan.
Stewart, James. 2012. Calculus. 7th ed, International metric version. [Australia]: Cengage.
Tan, Soo Tang. 2010. Calculus. Australia: Brooks/Cole Cengage learning.
Thomas, George B., and Jose Luis Zuleta Estrugo. 2020. Thomas’ Calculus. Fourteenth edition in SI units, Global edition. edited by J. Hass, C. Heil, and M. D. Weir. Harlow, England: Pearson.