Dillon, J. (1855). Abstract of a paper on a new theodolite.
Lua i Stíl Chicago (17ú heag.)Dillon, James. Abstract of a Paper on a New Theodolite. 1855.
Lua MLA (9ú heag.)Dillon, James. Abstract of a Paper on a New Theodolite. 1855.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
