United States. Bureau of Mines & Coughlin, J. P. (1993). A UNIX workstation monitoring system for coal-bump research. U.S. Dept. of the Interior, Bureau of Mines.
Citazione stile Chigago Style (17a edizione)United States. Bureau of Mines e J. P. Coughlin. A UNIX Workstation Monitoring System for Coal-bump Research. Avondale, Md.: U.S. Dept. of the Interior, Bureau of Mines, 1993.
Citatione MLA (9a ed.)United States. Bureau of Mines e J. P. Coughlin. A UNIX Workstation Monitoring System for Coal-bump Research. U.S. Dept. of the Interior, Bureau of Mines, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.