Jones, Gerre
Public relations for the design professional / Gerre Jones
McGraw-Hill, 1980
 Buku Teks SO
Rati Farini Srihadi
A Model of Service Marketing in Port Services: Empirical Study in PT Pelabuhan Indonesia II (Persero), Tanjung Priok Branch
Management Research Center (MRC) Department of Management, Faculty of Economics, University of Indonesia and Philip Kotler Center, 2016
 Artikel Jurnal
Delong, Thomas
Professional services : text and cases
Irwin, McGraw-Hill, 2003
 Buku Teks
Delong, Thomas
Professional services: strategy and tactics
McGraw-Hill, 2003
 Buku Teks
Lovelock, Christopher H.
Services marketing : people, technology, strategy
Pearson Education , 2011
 Buku Teks