Dendermonde, Max
Trap op, Trap af
EM. Querido's Uitgeverij N.V, 1967
 Buku Teks
Ayu Hutami Hariyanti
Analisis Pengaruh Akuisisi Terhadap Sinergi Anak Perusahaan PT. Hakaaston = An Analysis of Effect from Acquisition on the Synergy in Subsidiary of PT. Hakaaston
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
 UI - Tesis Membership
Profil BUMN Indonesia : sinergi membangun negeri = Profile of State-owned Enterprises in Indonesia : synergy for development / Kementerian Badan Usaha Milik Negara
Kementerian Badan Usaha Milik Negara, 2013
 Buku Teks
Cooley, Leland Frederick
The retirement trap
Doubleday & Company, Inc, 1965
 Buku Teks
Cross, Amanda
A trap for fools
Ballantine books, 1989
 Buku Teks