Tohutoro APA (7th ed.)

Crawford, A. (2010). Yorkist lord: John Howard, Duke of Norfolk, c.1425-1485. Continuum.

Tohutoru Kātū Chicago (17th ed.)

Crawford, Anne. Yorkist Lord: John Howard, Duke of Norfolk, C.1425-1485. London: Continuum, 2010.

Tohutoro MLA (9th ed.)

Crawford, Anne. Yorkist Lord: John Howard, Duke of Norfolk, C.1425-1485. Continuum, 2010.