Bošković-Stulli, M. (1991). Ballad Forms of the Bugarštica and Epic Songs. Center for Hellenic Studies, Trustees for Harvard University.
Style de citation Chicago (17e éd.)Bošković-Stulli, Maja. Ballad Forms of the Bugarštica and Epic Songs. Center for Hellenic Studies, Trustees for Harvard University, 1991.
Style de citation MLA (9e éd.)Bošković-Stulli, Maja. Ballad Forms of the Bugarštica and Epic Songs. Center for Hellenic Studies, Trustees for Harvard University, 1991.
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