HAX ARNOLD C(ED.). (1987). PLANNING STRATEGIES THAT WORK. OXFORD UNIVERSITY PRESS.
Lua i Stíl Chicago (17ú heag.)HAX ARNOLD C(ED.). PLANNING STRATEGIES THAT WORK. NEW YORK: OXFORD UNIVERSITY PRESS, 1987.
Lua MLA (9ú heag.)HAX ARNOLD C(ED.). PLANNING STRATEGIES THAT WORK. OXFORD UNIVERSITY PRESS, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.