Tinbergen, J. (1990). World security and equity. E. Elgar.
Lua i Stíl Chicago (17ú heag.)Tinbergen, Jan. World Security and Equity. Aldershot, Hants, Eng: E. Elgar, 1990.
Lua MLA (9ú heag.)Tinbergen, Jan. World Security and Equity. E. Elgar, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.