Smith, J. M., & Cotter, C. P. (1960). Powers of the President during crises. Public Affairs Press.
Lua i Stíl Chicago (17ú heag.)Smith, John Malcolm, agus Cornelius P. Cotter. Powers of the President During Crises. Washington: Public Affairs Press, 1960.
Lua MLA (9ú heag.)Smith, John Malcolm, agus Cornelius P. Cotter. Powers of the President During Crises. Public Affairs Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.