Gibson, . C. R., & Ryan, J. The theory and practice of surveying; containing all the instructions requisite for the skilful practice of this art / Robert Gibson. Illustrated by copper-plates. Newly arranged, improved, and enlarged, with useful selections, and a new set of accurate mathematical tables. By James Ryan, teacher of the mathematics.
Cita Chicago Style (17a ed.)Gibson, Charles Robert, y James Ryan. The Theory and Practice of Surveying; Containing All the Instructions Requisite for the Skilful Practice of This Art / Robert Gibson. Illustrated by Copper-plates. Newly Arranged, Improved, and Enlarged, with Useful Selections, and a New Set of Accurate Mathematical Tables. By James Ryan, Teacher of the Mathematics. New York : published by Evert Duyckinck, N° 68 water-street. G. Long, printer, 1821.
Cita MLA (8a ed.)Gibson, Charles Robert, y James Ryan. The Theory and Practice of Surveying; Containing All the Instructions Requisite for the Skilful Practice of This Art / Robert Gibson. Illustrated by Copper-plates. Newly Arranged, Improved, and Enlarged, with Useful Selections, and a New Set of Accurate Mathematical Tables. By James Ryan, Teacher of the Mathematics.