Cita APA

Niwata, N., & Niwata, N. (1980). Insurance its principles and practice in Japan. Insurance Institute of the Keio University.

Citación estilo Chicago

Niwata, Noriaki, y Noriaki Niwata. Insurance Its Principles and Practice in Japan. Insurance Institute of the Keio University, 1980.

Cita MLA

Niwata, Noriaki, y Noriaki Niwata. Insurance Its Principles and Practice in Japan. Insurance Institute of the Keio University, 1980.