APA

Howe R. E. G., . (1990). The role of international law in the conduct of foreign affairs. [S.l: s.n].

Chicago

Howe Richard Edward Geoffrey, . 1990. The role of international law in the conduct of foreign affairs. [S.l: s.n].

Harvard

Howe R. E. G., . (1990). The role of international law in the conduct of foreign affairs. [S.l: s.n].

MLA

Howe Richard Edward Geoffrey, . The role of international law in the conduct of foreign affairs. [S.l: s.n]. 1990.