The Competency based approach to training R. Sulivan dan N. McIntosh
 Artikel Jurnal
Smith, Brenda D.
Bridging the gap : college reading
Longman, 2000
 Buku Teks
Bridging the Gap Of Cross-Cultural Communication
Lean Mei Li, Mya Khemlani David, Ngew Yeok Meng, editor
University of Malaya, 2011
 Buku Teks
Jones-Brown, Delores D.
Policing and minority communities : bridging the gap
Pearson/Prentice Hall, 2004
 Buku Teks
Prosiding konferensi nasional sistem informasi 2007 (KNSI 2007) : information systems : bridging gap betwen theories and practices / editor Agung Toto Widowo
STT Telkom, 2007
 Buku Referensi