Williams, Bill
John Wiley & Sons, 1978
Buku Teks
Thompson, Steven K., author
John Wiley & Sons, 2012
Buku Teks
Cochran, William G., author
John Wiley & Sons, 1977
Buku Teks
Cochran, William G., author
John Wiley , 1963
Buku Teks
Scheaffer, Richard L., author
Brooks/Cole Cengage Learning, 2012
Buku Teks