Otiende, J. E. (1991). An introduction to environmental education. Nairobi Univ Press.
Chicagoスタイル(17版)引用形式Otiende, James E. An Introduction to Environmental Education. Nairobi: Nairobi Univ Press, 1991.
MLA(9版)引用形式Otiende, James E. An Introduction to Environmental Education. Nairobi Univ Press, 1991.
警告: この引用は必ずしも正確ではありません.