Gaya APA

Wathen, D, L, ;, W, G, ;, S, A. (2012). "Statistical Tecniques in Business & Economics| (15th Ed.). New York: McGraw Hill.

Gaya MLA

Wathen, Douglas, Lind, ;, WIlliam, G.Marchal, ;, Samuel, A.. ""Statistical Tecniques in Business & Economics|". 15th Ed. New York: McGraw Hill, 2012. book.