Halsbury, H. S. G., & Mackay of Clashfern, J. P. H. (2016). Halsbury's laws of England: Armed conflict and emergency armed forces (5th ed.). LexisNexis.

Halsbury, Hardinge Stanley Giffard, and James Peter Hymers Mackay of Clashfern. Halsbury's Laws of England: Armed Conflict and Emergency Armed Forces. 5th ed. London: LexisNexis, 2016.

Halsbury, Hardinge Stanley Giffard, and James Peter Hymers Mackay of Clashfern. Halsbury's Laws of England: Armed Conflict and Emergency Armed Forces. 5th ed. LexisNexis, 2016.