Energy Conference 6-7-8 March 1981, London.

MLA

Energy Conference 6-7-8 March 1981, London. Brussels: CSPEC, 1981.

APA

(1981). Energy Conference 6-7-8 March 1981, London. Brussels: CSPEC.

Chicago

Energy Conference 6-7-8 March 1981, London. Brussels: CSPEC, 1981.