Holbrook, S. H. (1954). The age of the moguls: Stewart H. Holbrook. Doubleday.
Lua i Stíl Chicago (17ú heag.)Holbrook, Stewart Hall. The Age of the Moguls: Stewart H. Holbrook. Garden City, NY: Doubleday, 1954.
Lua MLA (8ú heag.)Holbrook, Stewart Hall. The Age of the Moguls: Stewart H. Holbrook. Doubleday, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.