De Graaf, L. B. (1987). Distinctiveness or integration? the future of public history currciculum. University of California Press on behalf of the National Council on Public History.
Lua i Stíl Chicago (17ú heag.)De Graaf, Lawrence B. Distinctiveness or Integration? the Future of Public History Currciculum. [California]: University of California Press on behalf of the National Council on Public History, 1987.
Lua MLA (9ú heag.)De Graaf, Lawrence B. Distinctiveness or Integration? the Future of Public History Currciculum. University of California Press on behalf of the National Council on Public History, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.