Johnson, S. (2002). Who moved my cheese? Elex Media Komputindo.
Lua i Stíl Chicago (17ú heag.)Johnson, Spencer. Who Moved My Cheese? Elex Media Komputindo, 2002.
Lua MLA (8ú heag.)Johnson, Spencer. Who Moved My Cheese? Elex Media Komputindo, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.