McCall, John
Monarch Press, 1966
Buku Teks
Buscemi, Santi V., author
McGraw-Hill , 2002
Buku Teks
Dietsch, Betty Mattix, author
McGraw-Hill, 2003
Buku Teks
Dietsch, Betty Mattix, author
McGraw-Hill, 2003
Buku Teks
Archer, Jerome W., author
McGraw-Hill, 1966
Buku Teks