Brown, M. (1988). World phophates supply to the year 2000. Development Centre of the Organisation for Economic Co-operation and Development.
Chicago-Zitierstil (17. Ausg.)Brown, Martin. World Phophates Supply to the Year 2000. Paris: Development Centre of the Organisation for Economic Co-operation and Development, 1988.
MLA-Zitierstil (9. Ausg.)Brown, Martin. World Phophates Supply to the Year 2000. Development Centre of the Organisation for Economic Co-operation and Development, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.