1. Angdi, B. 2012. Precision Attachment; Application limitations. Available from : http://www.lates-articles.php.htm. Diakses: 7 April 2015
2. Anusavice, K.J. 2007. Dental Material. 4th Ed.Tottenham: Churchill livingstone; Pp. 15-23
3. Aschi. 2013. Fixed and removable prosthodontics 2nd ed. Tottenham: Churchill livingstone; Pp.115
4. Barran. 2009. Partial Denture. Alih bahasa: Djaya A. Editor; Juwono L. Jakarta : Hipokrates ; Pp.75
5. Ceka. 2011. Compoud Extracoronal Attachment. Available from: http://www.cekapreciline.com . Diakses: 20 April 2015