Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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