APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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