Todd, Maria K.
CRC Press, Taylor & Francis Group, 2011
Buku Referensi
At The University Press, 1972
Buku Teks
Hershey, Nathan
An Aspen Publ., 1982
Buku Teks
Erizka Permatasari, author
Fakultas Hukum Universitas Indonesia, 2020
UI - Skripsi (Membership)
Aghniya Sabila, author
Universitas Indonesia, 2016
UI - Skripsi (Membership)