Pigeaud, Theodoor Gautier Thomas, 1899-, author
Martinus Nijhoff, 1968
Buku Teks
Ricklefs, M.C. (Merle Calvin), 1943-, author
Oxford University Press, 1977
Buku Teks
Ricklefs, M.C. (Merle Calvin), 1943-, author
Oxford University Press, 1977
Buku Teks
Encyclopaedia Britannica Inc., 2002
Buku Referensi
Encyclopaedia Britannica Inc., 1998
Buku Referensi