APA(7版)引用形式

Obee B. Bob. (2005). Upstream. Upper-Intermediate: Workbook: class cas. 2. Newbury, Express Publishing, 2005.

Chicagoスタイル(17版)引用形式

Obee B. Bob. Upstream. Upper-Intermediate: Workbook: Class Cas. 2. Newbury, Express Publishing, 2005, 2005.

MLA(9版)引用形式

Obee B. Bob. Upstream. Upper-Intermediate: Workbook: Class Cas. 2. Newbury, Express Publishing, 2005, 2005.

警告: この引用は必ずしも正確ではありません.