Ackert, P., & Partricia Ackert; Nicki Giroux de Navarro. (1994). Cause & effect: Intermediate reading practice. Boston, Mass: Heinle & Heinle Publishers.
Chicago Style citaatAckert, Partricia, en Partricia Ackert; Nicki Giroux de Navarro. Cause & Effect: Intermediate Reading Practice. Boston, Mass: Heinle & Heinle Publishers, 1994.
MLA citatieAckert, Partricia, en Partricia Ackert; Nicki Giroux de Navarro. Cause & Effect: Intermediate Reading Practice. Boston, Mass: Heinle & Heinle Publishers, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.