Cohen, J.M. (John Michael), 1903-1989, author
Penguin Books, 1971
Buku Referensi
Cohen, J.M. (John Michael), 1903-1989, author
Allen Lane, 1980
Buku Referensi
Bryson, Bill, author
Penguin Books, 1987
Buku Referensi
Bryson, Bill, author
Penguin Books, 1994
Buku Referensi
Uvarov, E.B., author
Penguin, 1978
Buku Referensi