APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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