Katzen, L. (1964). Gold & South African economy: The influence of the goldmining industry on business cycles and economic growth in South Africa 1886 - 1961. Balkema.
Chicago-Zitierstil (17. Ausg.)Katzen, Leo. Gold & South African Economy: The Influence of the Goldmining Industry on Business Cycles and Economic Growth in South Africa 1886 - 1961. Cape Town [u.a.]: Balkema, 1964.
MLA-Zitierstil (9. Ausg.)Katzen, Leo. Gold & South African Economy: The Influence of the Goldmining Industry on Business Cycles and Economic Growth in South Africa 1886 - 1961. Balkema, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.