Preiss S. Sherry. (1998). North Star. Advanced. Achievement Tests: Focus on Listening and Speaking. Longman, 1998.
Chicago (17e ed.) BronvermeldingPreiss S. Sherry. North Star. Advanced. Achievement Tests: Focus on Listening and Speaking. Longman, 1998, 1998.
MLA (9e ed.) BronvermeldingPreiss S. Sherry. North Star. Advanced. Achievement Tests: Focus on Listening and Speaking. Longman, 1998, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.