Owens, E. S. (1981). Honour in profits. Institute of National Affairs.
Lua i Stíl Chicago (17ú heag.)Owens, E. S. Honour in Profits. Port Moresby: Institute of National Affairs, 1981.
Lua MLA (9ú heag.)Owens, E. S. Honour in Profits. Institute of National Affairs, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.