O'reilly, E. (2008). Project omega: Level 2. Harlow: Pearson Education.
シカゴスタイル引用形O'reilly, Elaine. Project Omega: Level 2. Harlow: Pearson Education, 2008.
MLA引用形式O'reilly, Elaine. Project Omega: Level 2. Harlow: Pearson Education, 2008.
警告: この引用は必ずしも正確ではありません.