Bicho, N. F. (1993). Late Glacial prehistory of central and southern Portugal. [s.n.].
Cita Chicago Style (17a ed.)Bicho, Nuno Ferreira. Late Glacial Prehistory of Central and Southern Portugal. [S.l.]: [s.n.], 1993.
Cita MLA (9a ed.)Bicho, Nuno Ferreira. Late Glacial Prehistory of Central and Southern Portugal. [s.n.], 1993.
Precaución: Estas citas no son 100% exactas.