Hill, John W., author
Burgess, 1975
Buku Teks
Hill, John W., author
Prentice-Hall, 2001
Buku Teks
Hill, John W., author
Burgess, 1972
Buku Teks
Hill, John W., author
Pearson - Prentice Hall, 2010
Buku Teks
Hill, John W., author
Pearson Prentice Hall, 2007
Buku Teks