Mo, Lifeng, author
Shushe Chuban Faxing, 2000
Buku Teks
Xu, Yuanchong, author
China Intercontinental Press, 2005
Buku Teks
Michell, John, author
Garsnton Press, 1971
Buku Teks
Sagan, Carl, author
KPG (Kepustakaan Populer Gramedia), 2017
Buku Teks
Shandong Daxue Chubanshe, 1999
Buku Referensi