APA

Roberts R., Clare A., . (2011). New Total English. Intermediate. Harlow: Pearson Education Limited.

Chicago

Roberts R, Clare A, . 2011. New Total English. Intermediate. Harlow: Pearson Education Limited.

Harvard

Roberts R., Clare A., . (2011). New Total English. Intermediate. Harlow: Pearson Education Limited.

MLA

Roberts R, Clare A, . New Total English. Intermediate. Harlow: Pearson Education Limited. 2011.