Citazione APA

Langan, J. (2003). Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc.

Stile di citazione Chicago

Langan, John. Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc, 2003.

Citazione MLA

Langan, John. Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc, 2003.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.