APA (7e ed.) Bronvermelding
Biggs, D. (2006). Three armies in Britain: The Irish campaign of Richard II and the usurpation of Henry IV, 1397-1399. Brill.
Chicago (17e ed.) Bronvermelding
Biggs, Douglas. Three Armies in Britain: The Irish Campaign of Richard II and the Usurpation of Henry IV, 1397-1399. Leiden: Brill, 2006.
MLA (9e ed.) Bronvermelding
Biggs, Douglas. Three Armies in Britain: The Irish Campaign of Richard II and the Usurpation of Henry IV, 1397-1399. Brill, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.