APA
,, . (1990). Energy Law 90 : Changing Energy Markets, The Legal Consequences. London: Graham & Trotman.
Chicago
,, . 1990. Energy Law 90 : Changing Energy Markets, The Legal Consequences. London: Graham & Trotman.
Harvard
,, . (1990). Energy Law 90 : Changing Energy Markets, The Legal Consequences. London: Graham & Trotman.
MLA
,, . Energy Law 90 : Changing Energy Markets, The Legal Consequences. London: Graham & Trotman. 1990.