I Wayan Resen
Bellamy's Intellectual flaws and Inconsistencies in looking backward
1986
 UI - Tesis (Membership)
Bellamy, Edward
Looking Backward / penulis, Erdward Bellamy
The New American Library , 1960
 Buku Teks
Heni Hemawati Wiradimaja
Looking backward: kritik dan gagasan Edward Bellamy tentang masyarakat industri abad ke-19 di Amerika
1995
 UI - Skripsi (Membership)
McJohn, Stephen M., 1959-
Intellectual property
Wolters Kluwers, 2015
 Buku Teks
Bently, Lionel, 1964-
Intellectual property law
Oxford University Press, 2009
 Buku Teks