APA

Commonwealth Mining and Metallurgical Congress (7th : 1961 : Kitwe Z. N. R. S., Watts W. G., . (1962). Technical proceedings of the Northern Rhodesia Section, Seventh Commonwealth Mining and Metallurgical Congress, 1961. Kitwe: Northern Rhodesia Section, Institution of Mining and Metallurgy.

Chicago

Commonwealth Mining and Metallurgical Congress (7th : 1961 : Kitwe Zambia).) Northern Rhodesia Section, Watts W G, . 1962. Technical proceedings of the Northern Rhodesia Section, Seventh Commonwealth Mining and Metallurgical Congress, 1961. Kitwe: Northern Rhodesia Section, Institution of Mining and Metallurgy.

Harvard

Commonwealth Mining and Metallurgical Congress (7th : 1961 : Kitwe Z. N. R. S., Watts W. G., . (1962). Technical proceedings of the Northern Rhodesia Section, Seventh Commonwealth Mining and Metallurgical Congress, 1961. Kitwe: Northern Rhodesia Section, Institution of Mining and Metallurgy.

MLA

Commonwealth Mining and Metallurgical Congress (7th : 1961 : Kitwe Zambia).) Northern Rhodesia Section, Watts W G, . Technical proceedings of the Northern Rhodesia Section, Seventh Commonwealth Mining and Metallurgical Congress, 1961. Kitwe: Northern Rhodesia Section, Institution of Mining and Metallurgy. 1962.