APA
Stern J. P., . (1990). European Gas Markets: Challenge and Opportunity in the 1990s. Dartmouth: Royal Institute of International Affairs.
Chicago
Stern Jonathan P, . 1990. European Gas Markets: Challenge and Opportunity in the 1990s. Dartmouth: Royal Institute of International Affairs.
Harvard
Stern J. P., . (1990). European Gas Markets: Challenge and Opportunity in the 1990s. Dartmouth: Royal Institute of International Affairs.
MLA
Stern Jonathan P, . European Gas Markets: Challenge and Opportunity in the 1990s. Dartmouth: Royal Institute of International Affairs. 1990.