Wine, R. Lowell
Prentice Hall of India, 1966
Buku Teks
Walpole, Ronald E., author
Prentice-Hall, 1998
Buku Teks
Ross, Sheldon M., author
Academic Press, 2014
Buku Teks
Ronald E. Walpole, author; Raymond H. Myers, author; Sharon L. Myers, author; Keying Ye, author
Pearson, 2016
Buku Teks
Walpole, Ronald E., author
Macmillan, 1972
Buku Teks