Liddell, Henry George, author
Oxford Clarendon Press 1951
Buku Referensi
Petit, CH, author
Hachette Classiques 1950
Buku Referensi
Wichman, Karl, author
Philadelphia, David McKay Company, 1944
Buku Referensi
Mansion, J.E., author
London Harrap 1972-1980
Buku Referensi
Breul, Karl, author
Boston D.C. Heath 1936
Buku Referensi