Bale, I. (1960). Trough seven reigns: A history of the Newport Borough Police / by Islwyn Bale. Hughes.
Citazione stile Chigago Style (17a edizione)Bale, Islwyn. Trough Seven Reigns: A History of the Newport Borough Police / by Islwyn Bale. [pontipool]: Hughes, 1960.
Citatione MLA (8a ed.)Bale, Islwyn. Trough Seven Reigns: A History of the Newport Borough Police / by Islwyn Bale. Hughes, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.