Liker Jeffrey K. (2017). Toyoto Way To Service Excellence. McGraw Hill Education.
Lua i Stíl Chicago (17ú heag.)Liker Jeffrey K. Toyoto Way To Service Excellence. Chennai: McGraw Hill Education, 2017.
Lua MLA (9ú heag.)Liker Jeffrey K. Toyoto Way To Service Excellence. McGraw Hill Education, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.