Wardiningsih Soerjohardjo
Serat Alam Media, 2017
Buku Teks
Keene, Donald
Grove Press, 1960
Buku Teks
edited by Patricia Grimshaw, Chris McConville and Ellen McEwen
George Allen and Unwin, 1985
Buku Teks
Mountford, Benjamin
Oxford University Press, 2016
eBooks
Finn, Paul
Oxford University Press, 1987
Buku Referensi