APA(7版)引用形式

Obee B. Bob & Evans V. Virginia. (2007). Upstream. Upper-intermediate B2+: Class CD 3. Newbury, Express Publishing, 2007.

Chicagoスタイル(17版)引用形式

Obee B. Bob , Evans V. Virginia. Upstream. Upper-intermediate B2+: Class CD 3. Newbury, Express Publishing, 2007, 2007.

MLA(9版)引用形式

Obee B. Bob , Evans V. Virginia. Upstream. Upper-intermediate B2+: Class CD 3. Newbury, Express Publishing, 2007, 2007.

警告: この引用は必ずしも正確ではありません.