Garland, Harry, author
Erlangga, 1984
Buku Teks
Ramirez, Edward V., author
McGraw-Hill, 1980
Buku Teks
Hogenboom, P., author
Elektuur B.V., 1988
Buku Teks
Sawin, Dwight H., author
Lexington Books, 1977
Buku Teks
Dixey, Graham, author
Stanley Thornes, 1991
Buku Teks