American Library Association. Reference and Subscription Books Review Committee. Purchasing an encyclopedia: 12 points to consider.
Style de citation Chicago (17e éd.)American Library Association. Reference and Subscription Books Review Committee. Purchasing an Encyclopedia: 12 Points to Consider. Chicago, 1979.
Style de citation MLA (9e éd.)American Library Association. Reference and Subscription Books Review Committee. Purchasing an Encyclopedia: 12 Points to Consider.
Attention : ces citations peuvent ne pas être correctes à 100%.