Idrus, H. (2011). Oral Communication Ability In English: An Essential Skill For Engineering Graduates. Penerbit Universiti Sains Malaysia.
シカゴスタイル引用形Idrus, Hairuzila. Oral Communication Ability In English: An Essential Skill For Engineering Graduates. Penerbit Universiti Sains Malaysia, 2011.
MLA引用形式Idrus, Hairuzila. Oral Communication Ability In English: An Essential Skill For Engineering Graduates. Penerbit Universiti Sains Malaysia, 2011.
警告: この引用は必ずしも正確ではありません.