Gaya APA
Pfaffenberger, R, C., Patterson, J, H. (1981).
Statistical methods for business and economics .
Homewood, IL:
Richard D. Irwin.
Gaya MLA
Pfaffenberger, Roger, C.., Patterson, James, H..
"Statistical methods for business and economics".
Homewood, IL:
Richard D. Irwin,
1981.
Text.