Pitt, Gwyneth, author
Sweet & Maxwell, 2011
Buku Teks
Carr, C. J. (Chris J.), author
Pitman, 1994
Buku Teks
Hardy, Frank
Hawthorn, star Publications, 1971
Buku Teks
Fera Azrita Khairunura, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2015
UI - Tesis (Membership)
Adirama Tri Satrio Wirawan, author
2018
UI - Skripsi (Membership)