Lloyd, H. R. (1857). On an improved form of the theodolite magnetometer.
Lua i Stíl Chicago (17ú heag.)Lloyd, Humphrey Rev. On an Improved Form of the Theodolite Magnetometer. 1857.
Lua MLA (9ú heag.)Lloyd, Humphrey Rev. On an Improved Form of the Theodolite Magnetometer. 1857.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
