Pergamon Press & Graves, N. J. (1987). Land, water and mineral resources in science education (First edition.). published for the ICSU Press : by Pergamon Press.
Chicago-Zitierstil (17. Ausg.)Pergamon Press und Norman John Graves. Land, Water and Mineral Resources in Science Education. First edition. Oxford [i pozostałe]: published for the ICSU Press : by Pergamon Press, 1987.
MLA-Zitierstil (9. Ausg.)Pergamon Press und Norman John Graves. Land, Water and Mineral Resources in Science Education. First edition. published for the ICSU Press : by Pergamon Press, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.