Fock, N. (1961). Inca Imperialism in North-West Argentina and Chaco Burial Forms. Copenhague : Dinamarca: s.n..
Chicago-tyylinen lähdeviittausFock, Niels. Inca Imperialism in North-West Argentina and Chaco Burial Forms. Copenhague : Dinamarca: s.n., 1961.
MLA-viiteFock, Niels. Inca Imperialism in North-West Argentina and Chaco Burial Forms. Copenhague : Dinamarca: s.n., 1961.
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