Foundation, C. G. (1991). Portuguese expansion overseas and the art of ivory. FCG.
Chicago-viite (17. p.)Foundation, Calouste Gulbenkian. Portuguese Expansion Overseas and the Art of Ivory. FCG, 1991.
MLA-viite (8. p.)Foundation, Calouste Gulbenkian. Portuguese Expansion Overseas and the Art of Ivory. FCG, 1991.
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