Niwata, N. (1978). Insurance: Its principles and practice in Japan. Insurance Institute of the Keio University.
Citazione stile Chigago Style (17a edizione)Niwata, Noriaki. Insurance: Its Principles and Practice in Japan. Tokyo: Insurance Institute of the Keio University, 1978.
Citatione MLA (9a ed.)Niwata, Noriaki. Insurance: Its Principles and Practice in Japan. Insurance Institute of the Keio University, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.