Gaya APA
Wathen, D, A, L, W, C, M, A, S. (2006).
Basic Statistics for Business & Economics (Ed. 5).
New York:
McGraw-Hill Education.
Gaya MLA
Wathen, Douglas, A., Lind,, William, C., Marchal, And, SamuelA..
"Basic Statistics for Business & Economics".
Ed. 5
New York:
McGraw-Hill Education,
2006.
Text.