Johnson, J. J. (1977). Housing vouchers: A selective bibliography. South Australian Housing Trust.
Lua i Stíl Chicago (17ú heag.)Johnson, Jeremy J. Housing Vouchers: A Selective Bibliography. Adelaide: South Australian Housing Trust, 1977.
Lua MLA (8ú heag.)Johnson, Jeremy J. Housing Vouchers: A Selective Bibliography. South Australian Housing Trust, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.