Marwati Djoened Poesponegoro
UI-Press, 1988
Buku Referensi
Hart, B.H. Liddell
Frederick A. Praeger, 1961-1965
Buku Teks SO
La Fargue, Thomas Edward
Stanford University Press, 1937
Buku Teks SO
Falls, Cyril, 1888-1971
G.P. Putnam's Sons, 1959
Buku Teks SO
Fussell, Paul
Oxford University Press , 1989
Buku Teks SO