Roberts, B. (2012). My policeman: Bethan Roberts. Vintage.
Chicago-Zitierstil (17. Ausg.)Roberts, Bethan. My Policeman: Bethan Roberts. London: Vintage, 2012.
MLA-Zitierstil (8. Ausg.)Roberts, Bethan. My Policeman: Bethan Roberts. Vintage, 2012.
警告：这些引文格式不一定是100％准确.