Ackermann Marietjie, Botha Doret, van der Waldt Gerrit, & African Online Scientific Information Systems. Potential Socio-economic Consequences of Mine Closure.
Cita Chicago (17th ed.)Ackermann Marietjie, Botha Doret, van der Waldt Gerrit, i African Online Scientific Information Systems. Potential Socio-economic Consequences of Mine Closure.
Cita MLA (9th ed.)Ackermann Marietjie, et al. Potential Socio-economic Consequences of Mine Closure.
Atenció: Aquestes cites poden no estar 100% correctes.