Maitland, I. (1992). The Business Planner. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Maitland, Iain. The Business Planner. ELSEVIER, 1992.
Lua MLA (8ú heag.)Maitland, Iain. The Business Planner. ELSEVIER, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.