Perlis, U. M. (2011). Environmental Management System. Universiti Malaysia Perlis.
シカゴスタイル引用形Perlis, Universiti Malaysia. Environmental Management System. Universiti Malaysia Perlis, 2011.
MLA引用形式Perlis, Universiti Malaysia. Environmental Management System. Universiti Malaysia Perlis, 2011.
警告: この引用は必ずしも正確ではありません.