Norton-Taylor, D. (1974). The Celts. Time-Life International.
Cita Chicago Style (17a ed.)Norton-Taylor, Duncan. The Celts. Netherlands: Time-Life International, 1974.
Cita MLA (9a ed.)Norton-Taylor, Duncan. The Celts. Time-Life International, 1974.
Precaución: Estas citas no son 100% exactas.