Bree, Cpl Max (19 July 2012). "Engineers enter Zabul Lines"(PDF). Army: The Soldiers' Newspaper. No. 1286. Canberra: Department of Defence. p. 9. ISSN0729-5685. Retrieved 12 January 2020.
Bree, Cpl Max (19 July 2012). "Engineers enter Zabul Lines"(PDF). Army: The Soldiers' Newspaper. No. 1286. Canberra: Department of Defence. p. 9. ISSN0729-5685. Retrieved 12 January 2020.