Conant, Kenneth John, author
Penguin Books, 1959
Buku Teks
edited by Rolf Toman; photos by Achim Bednorz
H.F. Ullmann, 2010
Buku Referensi
Radding, Charles M., author
Yale University Press, 1991
Buku Teks
Clapham, Alfred, Sir, author
Longman, Green, 1950
Buku Teks
edited by Anna Ray-Jones; foreword, Eiji Maki and William A. McDonough
Wiley-Academy, 2000
Buku Teks