एपीए उद्धरण

Ackert, P., & Navarro, N. G. d. (1994). Cause & effect: Intermediate reading practice (2nd ed.). Boston: Heinle & Heinle Publishers.

शिकागो स्टाइल उद्धरण

Ackert, Patricia., और Nicki Giroux de Navarro. Cause & Effect: Intermediate Reading Practice. 2nd ed. Boston: Heinle & Heinle Publishers, 1994.

एमएलए उद्धरण

Ackert, Patricia., और Nicki Giroux de Navarro. Cause & Effect: Intermediate Reading Practice. 2nd ed. Boston: Heinle & Heinle Publishers, 1994.