Collings, G. (1882). A practical treatise on handrailing: Showing new and simple methods for: finding the pitch of the plank... Crosby Lockwood.
Chicago-referens (17:e uppl.)Collings, George. A Practical Treatise on Handrailing: Showing New and Simple Methods for: Finding the Pitch of the Plank... London: Crosby Lockwood, 1882.
MLA-referens (9:e uppl.)Collings, George. A Practical Treatise on Handrailing: Showing New and Simple Methods for: Finding the Pitch of the Plank... Crosby Lockwood, 1882.
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