Day, A. J., & Hoffman, V. (2000). The annual register: A record of world events 1999. Keesing's Worldwide.
Tohutoru Kātū Chicago (17th ed.)Day, Alan J., me Verena Hoffman. The Annual Register: A Record of World Events 1999. London, [England]: Keesing's Worldwide, 2000.
Tohutoro MLA (9th ed.)Day, Alan J., me Verena Hoffman. The Annual Register: A Record of World Events 1999. Keesing's Worldwide, 2000.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.