Colombos, C. John
Longmans, Green and Co., 1954
Buku Teks
Verzijl, J.H.W.
Martinus Nijhoff Publishers, 1992
Buku Referensi
Giles, O.C. (Otto Charles)
Sijthoff, 1970
Buku Teks
edited by Beth A. Simmons and Richard H. Steinberg
Cambridge University Press, 2006
Buku Teks
Shaw, Malcolm Nathan, 1947-
Cambridge University Press, 2017
Buku Teks