Gallagher, Richard S.
Great customer connections: simple psychological techniques that guarantee exceptional service
American Management Association, 2006
 eBooks
Wayland, Robert E
Customer connections: new strategies for growth/Robert E.Wayland & Paul M. Cole
Harvard Business School Press, 1997
 Buku Teks
Hannerz, Ulf
Transnational connections
Routledge, 1996
 Buku Teks
Capra, Fritjof
The hidden connections
Harper Collins, 2002
 Buku Teks
Fakhri Rachman
Pengaruh social media marketing terhadap purchase intention melalui customer relationship: studi pada pengikut akun instagram drive-in senja di DKI Jakarta = The effect of social media marketing on purchase intention through customer relationship: a study on followers of drive-in senja’s instagram in DKI Jakarta
Fakultas Ilmu Keperawatan Universitas Indonesia, 2020
 UI - Skripsi (Membership)