Nyasaland Geological Survey Department. (1953). Annual report of the Geological Survey Department, Nyasaland Protectorate: For the year ended 31.12. . Gov.Print.
Chicago-Zitierstil (17. Ausg.)Nyasaland Geological Survey Department. Annual Report of the Geological Survey Department, Nyasaland Protectorate: For the Year Ended 31.12. . Zomba: Gov.Print, 1953.
MLA-Zitierstil (9. Ausg.)Nyasaland Geological Survey Department. Annual Report of the Geological Survey Department, Nyasaland Protectorate: For the Year Ended 31.12. . Gov.Print, 1953.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.