Waller, R. F. (1915). Some points generally neglected in the construction of theodolites.
Lua i Stíl Chicago (17ú heag.)Waller, R. F. Some Points Generally Neglected in the Construction of Theodolites. 1915.
Lua MLA (9ú heag.)Waller, R. F. Some Points Generally Neglected in the Construction of Theodolites. 1915.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
