Horstmann, Lali
Houghton Miffiln, 1954
Buku Teks
Barrett, John, author
Allen & Unwin, 1995
Buku Teks
Graaff, Nell van de, author
University of Queensland press , 1989
Buku Teks
Japan Times, 1982
Buku Teks
Jacob, Alaric, author
Collins, 1944
Buku Teks