Anon. n.d. ‘OpenIntro Statistics’. Retrieved (https://leanpub.com/openintro-statistics).
Glyn James [and Nine Others]. 2018. Advanced Modern Engineering Mathematics. Pearson Education M.U.A.
James, Glyn. 2011. Advanced Modern Engineering Mathematics. 4th ed. Harlow: Prentice Hall.
James, Glyn, David Burley, Dick Clements, P. P. G. Dyke, John Searl, and Jerry Wright. 2015. Modern Engineering Mathematics. Fifth edition. Harlow: Pearson Education.
Kreyszig, Erwin, Herbert Kreyszig, and E. J. Norminton. 2011. Advanced Engineering Mathematics. 10th ed., International student version. Hoboken, N.J.: Wiley.
Walpole, Ronald E., Raymond H. Myers, Sharon L. Myers, and Keying Ye. 2014. Probability and Statistics for Engineers and Scientists. Vol. Pearson custom library. ninth edition, Pearson new international edition. Harlow: Pearson.
