American Library Association. Business Reference Services Committee. (1978). Business serials of the U.S. Government: A selective , annotated checklist of reference titles. The Association.
Lua i Stíl Chicago (17ú heag.)American Library Association. Business Reference Services Committee. Business Serials of the U.S. Government: A Selective , Annotated Checklist of Reference Titles. Chicago: The Association, 1978.
Lua MLA (9ú heag.)American Library Association. Business Reference Services Committee. Business Serials of the U.S. Government: A Selective , Annotated Checklist of Reference Titles. The Association, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.