Brusewitz, R. V. i. b. G. In search of artic birds. T and AD Poyser.
Chicago-viite (17. p.)Brusewitz, Richard Vaughan illustrated by Gunnar. In Search of Artic Birds. T and AD Poyser.
MLA-viite (8. p.)Brusewitz, Richard Vaughan illustrated by Gunnar. In Search of Artic Birds. T and AD Poyser.
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