Macadam, I. S., Grindrod, M., & Boas, A. (1972). The annual register, world events in 1971. Longman.
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Chicago-čujuhus (17. p.)
Macadam, Ivison S., Muriel Grindrod, juo Ann Boas. The Annual Register, World Events in 1971. London, [England]: Longman, 1972.
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MLA-čujuhus (9. p.)
Macadam, Ivison S., et al. The Annual Register, World Events in 1971. Longman, 1972.
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