Cita APA

Ackert, P. (1994). Cause & effect: Intermediate reading practice. Boston, MA: Heinle and Heinle.

Chicago Style Citation

Ackert, Patricia. Cause & Effect: Intermediate Reading Practice. Boston, MA: Heinle and Heinle, 1994.

Cita MLA

Ackert, Patricia. Cause & Effect: Intermediate Reading Practice. Boston, MA: Heinle and Heinle, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.