Miell, Anna
Routledge, 2006
Buku Teks
Donaldson, Bruce
Routledge, 2006
Buku Teks
Stocker, Paul, 1971-
Cambridge University Press, 2012
Buku Teks
Simanjuntak, Herpinus
Kesaint Blanc, 2017
Buku Teks
Prowe, Gunhild
Oxford University Press, 1995
Buku Referensi