APA

(2007). Activity, dayrate outlook remains mixed for US land drillers faced with softening prices, stacked rigs, more newbuils. : .

Chicago

2007. Activity, dayrate outlook remains mixed for US land drillers faced with softening prices, stacked rigs, more newbuils. : .

Harvard

(2007). Activity, dayrate outlook remains mixed for US land drillers faced with softening prices, stacked rigs, more newbuils. : .

MLA

Activity, dayrate outlook remains mixed for US land drillers faced with softening prices, stacked rigs, more newbuils. : . 2007.