APA
Linden H. R., . (42008). Outlook for US gas supply improves if production efforts are stepped up. : .
Chicago
Linden Henry R, . 42008. Outlook for US gas supply improves if production efforts are stepped up. : .
Harvard
Linden H. R., . (42008). Outlook for US gas supply improves if production efforts are stepped up. : .
MLA
Linden Henry R, . Outlook for US gas supply improves if production efforts are stepped up. : . 42008.
