Singapore Airlines. (1979). The Pursuit of excellence: An island and its airline. Singapore Airlines.
Lua i Stíl Chicago (17ú heag.)Singapore Airlines. The Pursuit of Excellence: An Island and Its Airline. [Singapore]: Singapore Airlines, 1979.
Lua MLA (8ú heag.)Singapore Airlines. The Pursuit of Excellence: An Island and Its Airline. Singapore Airlines, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.