APA (7e ed.) Bronvermelding

Hodson, H. V., & Hoffman, V. (1982). The annual register: A record of world events 1981. Longman.

Chicago (17e ed.) Bronvermelding

Hodson, H. V., en Verena Hoffman. The Annual Register: A Record of World Events 1981. Essex, England: Longman, 1982.

MLA (9e ed.) Bronvermelding

Hodson, H. V., en Verena Hoffman. The Annual Register: A Record of World Events 1981. Longman, 1982.