APA (7e ed.) Bronvermelding

American Library Association & Article 19 (Organization). (1991). Information freedom and censorship: World report 1991. American Library Association.

Chicago (17e ed.) Bronvermelding

American Library Association en Article 19 (Organization). Information Freedom and Censorship: World Report 1991. Chicago: American Library Association, 1991.

MLA (9e ed.) Bronvermelding

American Library Association en Article 19 (Organization). Information Freedom and Censorship: World Report 1991. American Library Association, 1991.