Andrews, D., Bedford, J., & Papworth, H. (2009). Measured and drawn: Techniques and practice for the metric survey of historic buildings (2nd edition.). English Heritage.
Παραπομπή σε μορφή Chicago (17η εκδ.)Andrews, David, Jon Bedford, και Heather Papworth. Measured and Drawn: Techniques and Practice for the Metric Survey of Historic Buildings. 2nd edition. Swindon: English Heritage, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)Andrews, David, et al. Measured and Drawn: Techniques and Practice for the Metric Survey of Historic Buildings. 2nd edition. English Heritage, 2009.
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