Langan, J. (2003). Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc.
Chicago Style citaatLangan, John. Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc, 2003.
MLA citatieLangan, John. Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.