Kuchment, Anna, author
Springer, 2012
eBooks
Danielian, Ronald L., author
Westview Press, 1987
Buku Teks
Sagan, Carl, author
KPG (Kepustakaan Populer Gramedia), 2023
Buku Teks
Mertz, Henriette
Ballantine Books, 1972
Buku Teks
Kleon, Austin, author
Mizan Publika, 2015
Buku Teks