(2000). The 2000 World Book year book: The annual supplement to the World Book encyclopedia. World Book.
Chicago-viite (17. p.)The 2000 World Book Year Book: The Annual Supplement to the World Book Encyclopedia. Chicago: World Book, 2000.
MLA-viite (9. p.)The 2000 World Book Year Book: The Annual Supplement to the World Book Encyclopedia. World Book, 2000.
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