Langan, J., & John Langan. Reading and study skills. New York, NY: McGraw-Hill Higher Education.
Chicago Style citaatLangan, John, en John Langan. Reading and Study Skills. New York, NY: McGraw-Hill Higher Education.
MLA citatieLangan, John, en John Langan. Reading and Study Skills. New York, NY: McGraw-Hill Higher Education.
Let op: Deze citaties zijn niet altijd 100% accuraat.