Gaya APA

Carlson, D, H., Enggerding, P, J. (2000). Surface mine instructor reference and trainee review manual, for mine safety and health training . Michigan: Michigan Technological University.

Gaya MLA

Carlson, David, H.., Enggerding, Philip, J.. "Surface mine instructor reference and trainee review manual, for mine safety and health training". Michigan: Michigan Technological University, 2000. Text.