Porter, Doug
Questioning practice: Non-government aid agencies and project evaluation / Doug Porter and Kevin Clark
Australian Council for Overseas Aid, 1985
 Buku Teks
Opik Taofik Nugraha
Bantuan hukum dalam proses penyidikan tindak pidana di polresta bogor
Program Pascasarjana Universitas Indonesia, 2000
 UI - Tesis Membership
Walters, Stan B.
Principles of kinesic interview and interrogation
CRC Press, 2003
 Buku Teks
Gordon, Nathan J.
Effecitive interviewing and interrogation techniques
Elsevier , 2011
 Buku Teks
Chesters, Sarah Davey
The socratic classroom: reflective thinking throught collaborative inquiry
Sense, 2012
 eBooks