Cooney, Eleanor
Serambi Ilmu Semesta, 2012
Buku Teks
Leupold, Hans
Volk Und Wissen Volksigener, 1960
Buku Teks
Demille, Nelson
Warner Books, 2000
Buku Teks
Steegmuller, Francis, 1906-1994
Books for Libraries Press, 1972
Buku Teks
Smith, Wilbur
Pan Books, 1964
Buku Teks