Strachan, D. (2013). Excavations at the Black Spout, Pitlochry and the Iron Age momumental roundhouses of North West Perthshire. Perth and Kinross Heritage Trust.
Chicago-Zitierstil (17. Ausg.)Strachan, David. Excavations at the Black Spout, Pitlochry and the Iron Age Momumental Roundhouses of North West Perthshire. Perth: Perth and Kinross Heritage Trust, 2013.
MLA-Zitierstil (9. Ausg.)Strachan, David. Excavations at the Black Spout, Pitlochry and the Iron Age Momumental Roundhouses of North West Perthshire. Perth and Kinross Heritage Trust, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.