APA

Yoshida H., . (1977). Tunneling method by the horizontal cofferdam. : IRF world meeting 8. Session D.

Chicago

Yoshida H, . 1977. Tunneling method by the horizontal cofferdam. : IRF world meeting 8. Session D.

Harvard

Yoshida H., . (1977). Tunneling method by the horizontal cofferdam. : IRF world meeting 8. Session D.

MLA

Yoshida H, . Tunneling method by the horizontal cofferdam. : IRF world meeting 8. Session D. 1977.