Freiberg Kevin & Freiberg Jackie. (1996). Nuts!: Southwest Airlines' crazy recipe for business and personal success. Bard Press Publishing.
Lua i Stíl Chicago (17ú heag.)Freiberg Kevin agus Freiberg Jackie. Nuts!: Southwest Airlines' Crazy Recipe for Business and Personal Success. Texas ,USA: Bard Press Publishing, 1996.
Lua MLA (9ú heag.)Freiberg Kevin agus Freiberg Jackie. Nuts!: Southwest Airlines' Crazy Recipe for Business and Personal Success. Bard Press Publishing, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.