Linton, Harold, author
McGraw-Hill, 1999
Buku Teks
Shaw, Ros Byam, author
Page one , 2000
Buku Referensi
Livingston, Kathryn, author
Rockport, 1999
Buku Referensi
Scully, Vincent, Jr., 1920-2017, author
G. Braziller, 1974
Buku Teks
Ford, Edward R., author
MIT Press, 1990
Buku Teks