Soemarwoto, O. (1981). Environmental education and research in Indonesian universities. Maruzen Asia.
Chicagoスタイル(17版)引用形式Soemarwoto, Otto. Environmental Education and Research in Indonesian Universities. Singapore: Maruzen Asia, 1981.
MLA(8版)引用形式Soemarwoto, Otto. Environmental Education and Research in Indonesian Universities. Maruzen Asia, 1981.
警告: この引用は必ずしも正確ではありません.