Gaya APA

Lind, D, A., Wathen, W, G, M, S, A. (2008). Statistical Techniques in Business and Economics (Thirteenth Edition). New York: McGraw-Hill.

Gaya MLA

Lind, Douglas, A., Wathen, William, G., Marchal., Samuel, A.. "Statistical Techniques in Business and Economics". Thirteenth Edition New York: McGraw-Hill, 2008. Text.