PERRY,S. (1975). CHART YOUR WAY TO SUCCESS. ST. PAUL SOCI.
Lua i Stíl Chicago (17ú heag.)PERRY,S. CHART YOUR WAY TO SUCCESS. ALLAHABAD: ST. PAUL SOCI, 1975.
Lua MLA (9ú heag.)PERRY,S. CHART YOUR WAY TO SUCCESS. ST. PAUL SOCI, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.