Luna, T. W. (1976). Environmental education and geography. University of the Philippines Press.
Chicagoスタイル(17版)引用形式Luna, Telesforo W. Environmental Education and Geography. Quezon City: University of the Philippines Press, 1976.
MLA(9版)引用形式Luna, Telesforo W. Environmental Education and Geography. University of the Philippines Press, 1976.
警告: この引用は必ずしも正確ではありません.