Rahlajandi Eki Rahman, auhtor
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)
Heijbroek, A.M.A., author
Rabobank International Group , 1996
Buku Teks
Siti Fatimah Vieta Prasetya Ningtias, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)
Rood, Allan
McGraw-Hill , 1961
Buku Teks
Antonoff, Steven R., author
Octameron Associates, 2003
Buku Teks