Transvaal and Orange Free State Chamber of Mines, Transvaal Chamber of Mines, & Association of Mine Managers of the Transvaal. (1938). Papers and discussions. Transvaal Chamber of Mines.
Chicago-Zitierstil (17. Ausg.)Transvaal and Orange Free State Chamber of Mines, Transvaal Chamber of Mines, und Association of Mine Managers of the Transvaal. Papers and Discussions. [Cape Town]: Transvaal Chamber of Mines, 1938.
MLA-Zitierstil (8. Ausg.)Transvaal and Orange Free State Chamber of Mines, et al. Papers and Discussions. Transvaal Chamber of Mines, 1938.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.