Bolles, Dennis
Building project management centers of excellence
[American Management Association, ], 2002
 eBooks
Global project management handbook
edited by David I. Cleland, Roland Gareis
McGraw-Hill, 1994
 Buku Referensi
Barker, Stephen
Brilliant project management : what the best project managers know, do and say
Pearson, 2012
 Buku Teks
Barrett, Peter
Facilities management : the dynamics of excellence
Wiley-Blackwell, 2014
 Buku Teks
Faulkner, Mike
Customer management excellence / Mike Faulkner
John Wiley & Sons, 2003
 Buku Teks