एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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