Tohutoro APA (7th ed.)

Day, A. J., & Hoffman, V. (1989). The annual register: A record of world events, 1988. Longman.

Tohutoru Kātū Chicago (17th ed.)

Day, Alan J., me Verena Hoffman. The Annual Register: A Record of World Events, 1988. Essex, England: Longman, 1989.

Tohutoro MLA (9th ed.)

Day, Alan J., me Verena Hoffman. The Annual Register: A Record of World Events, 1988. Longman, 1989.