Buxton, S., Copeland, T., & Shephard, C. (1993). Castles & cathedrals (1. publ., reprinted.). Murray.
Cita Chicago Style (17a ed.)Buxton, Steve, Tim Copeland, y Colin Shephard. Castles & Cathedrals. 1. publ., reprinted. London: Murray, 1993.
Cita MLA (9a ed.)Buxton, Steve, et al. Castles & Cathedrals. 1. publ., reprinted. Murray, 1993.
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