Fuller, Gordon
McGraw-Hill, 1972
Buku Teks
Davis, Hannibal Albert, author
American Book, 1933
Buku Teks
Nelson, Alfred L., author
Harper & Brothers Publishing, 1943
Buku Teks
Spitzbart, Abraham, author
Addison-Wesley, 1964
Buku Teks
Corliss, John J.
Houghton Miffiln, 1950
Buku Teks