McMullen, T. B. (1998). Introduction to the theory of constraints (TOC) management system. St. Lucie Press.
Lua i Stíl Chicago (17ú heag.)McMullen, Thomas B. Introduction to the Theory of Constraints (TOC) Management System. Boca Raton [Florida]: St. Lucie Press, 1998.
Lua MLA (8ú heag.)McMullen, Thomas B. Introduction to the Theory of Constraints (TOC) Management System. St. Lucie Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.