Jelaskan Rujukan dari Halberd dalam bahasa melayu

O'Flaherty, Ronan; The Early Bronze Age halberd: a history of research and a brief guide to the sources, pp. 74–94, Journal of the Royal Society of Antiquaries of Ireland, Vol.128 (1998).

Brandtherm, Dirk & O'Flaherty, Ronan; Prodigal sons: two 'halberds' in the Hunt Museum, Limerick, from Cuenca, Spain and Beyrǔt, Syria, pp. 56–60, JRSAI Vol.131 (2001). .

R. E. Oakeshott, European weapons and armour: From the Renaissance to the industrial revolution (1980), 44–48.