APA aipamena

Pickering R. G. B. & The South African Institute of Mining and Metallurgy. The optimization of mining method and equipment.

Chicago Style aipamena

Pickering R. G. B. and The South African Institute of Mining and Metallurgy. The Optimization of Mining Method and Equipment.

MLA aipamena

Pickering R. G. B. and The South African Institute of Mining and Metallurgy. The Optimization of Mining Method and Equipment.