Gaya APA

Arangio-Ruiz, Gaetano. (1979). The un declaration on friendly relations and the system of the sources of international law . Netherlands: Sijhoff Noordhoff International Publishers.

Gaya Chicago

Arangio-Ruiz, Gaetano. The un declaration on friendly relations and the system of the sources of international law. Netherlands: Sijhoff Noordhoff International Publishers, 1979. Text.

Gaya MLA

Arangio-Ruiz, Gaetano. The un declaration on friendly relations and the system of the sources of international law. Netherlands: Sijhoff Noordhoff International Publishers, 1979. Text.

Gaya Turabian

Arangio-Ruiz, Gaetano. The un declaration on friendly relations and the system of the sources of international law. Netherlands: Sijhoff Noordhoff International Publishers, 1979. Print.