Gunn, W., Geikie, A., & Peach, B. N. (1903). The geology of North Arran, South Bute, and the Cumbraes, with parts of Ayrshire and Kintyre: (Sheet 21, Scotland). Printed for H.M.S.O. by J. Hedderwick & Sons.
Chicago-viite (17. p.)Gunn, W., Archibald Geikie, ja B. N. Peach. The Geology of North Arran, South Bute, and the Cumbraes, with Parts of Ayrshire and Kintyre: (Sheet 21, Scotland). Glasgow: Printed for H.M.S.O. by J. Hedderwick & Sons, 1903.
MLA-viite (8. p.)Gunn, W., et al. The Geology of North Arran, South Bute, and the Cumbraes, with Parts of Ayrshire and Kintyre: (Sheet 21, Scotland). Printed for H.M.S.O. by J. Hedderwick & Sons, 1903.
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