Ackert, P. (1994). Cause & effect: Intermediate reading practice. Boston, MA: Heinle and Heinle.
Chicago Style CitationAckert, Patricia. Cause & Effect: Intermediate Reading Practice. Boston, MA: Heinle and Heinle, 1994.
Cita MLAAckert, Patricia. Cause & Effect: Intermediate Reading Practice. Boston, MA: Heinle and Heinle, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.