APA

Joseph, . (1977). Agatha Christie (m). : Weidenfeld and NicolSons, London.

Chicago

Joseph, . 1977. Agatha Christie (m). : Weidenfeld and NicolSons, London.

Harvard

Joseph, . (1977). Agatha Christie (m). : Weidenfeld and NicolSons, London.

MLA

Joseph, . Agatha Christie (m). : Weidenfeld and NicolSons, London. 1977.