APA
(1989). Study on the legislative framework, agreements and financial impositions affecting mining and petroleum industries in Commonwealth African countries. LondonGB: Commonwealth Secretariat.
Chicago
1989. Study on the legislative framework, agreements and financial impositions affecting mining and petroleum industries in Commonwealth African countries. LondonGB: Commonwealth Secretariat.
Harvard
(1989). Study on the legislative framework, agreements and financial impositions affecting mining and petroleum industries in Commonwealth African countries. LondonGB: Commonwealth Secretariat.
MLA
Study on the legislative framework, agreements and financial impositions affecting mining and petroleum industries in Commonwealth African countries. LondonGB: Commonwealth Secretariat. 1989.