Hermawan Kartajaya, 1947-
Citizen 4.0 : menjejakkan prinsip-prinsip pemasaran humanis di era digital
Gramedia Pustaka Utama, 2018
 Buku Teks
Khairunnisa Mubarokah
Analisis strategi pemasaran rumah sakit berdasarkan citizen 4.0 : literature review = Analysis of hospital marketing strategy based on citizen 4.0: literature review
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2020
 UI - Skripsi (Membership)
Ople, Blas F. author
Citizen of the world
Institute for Public Policy, 2001
 Buku Teks
Hawgood, John A.
The Citizen and government
Nicholson and Watson, 1947
 Buku Teks
Turbo pascal 4.0
 Buku Teks