Stone, I.F.
Little, Brown and Company, 1988
Buku Teks
Bedford, Sybillie
Time Incorporated, 1962
Buku Teks
Eversberg, Thomas, author
Springer Nature, 2019
eBooks
S. Husin Ali, author
INSAN, 1996
Buku Teks
Hegland, Kenney F.
West Publishing , 1978
Buku Teks