de Groen, Frances, author
Pan Books, 1977
Buku Teks
de Groen, Frances, author
Pan Books, 1981
Buku Teks
Semmler, Clement
Longman Group, 1969
Buku Teks
Stewart, Douglas Alexander, 1913-, author
Thomas Nelson (Australia), 1977
Buku Teks
Virgil
Angus and Roberson Publishers, 1981
Buku Teks