Style de citation APA

Bark, D. L. (1974). Agreement on Berlin: A study of the 1970-72 quadripartite negotiations. American Enterprise Inst. for Public Policy Research [u.a.].

Style de citation Chicago

Bark, Dennis L. Agreement on Berlin: A Study of the 1970-72 Quadripartite Negotiations. Washington D.C: American Enterprise Inst. for Public Policy Research [u.a.], 1974.

Style de citation MLA

Bark, Dennis L. Agreement on Berlin: A Study of the 1970-72 Quadripartite Negotiations. American Enterprise Inst. for Public Policy Research [u.a.], 1974.