Cita APA (7th ed.)
Graves, N. J. (1987). Land, water, and mineral resources in science education. Published for the ICSU Press by Pergamon Press.
Cita Chicago (17th ed.)
Graves, Norman John. Land, Water, and Mineral Resources in Science Education. Oxford ; New York: Published for the ICSU Press by Pergamon Press, 1987.
Cita MLA (9th ed.)
Graves, Norman John. Land, Water, and Mineral Resources in Science Education. Published for the ICSU Press by Pergamon Press, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.