Lua APA (7ú heag.)

SAFIRE. (1990). LEADERSHIP. SIMON & SCHUSTER.

Lua i Stíl Chicago (17ú heag.)

SAFIRE. LEADERSHIP. NEW YORK: SIMON & SCHUSTER, 1990.

Lua MLA (9ú heag.)

SAFIRE. LEADERSHIP. SIMON & SCHUSTER, 1990.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.