Langan John. (2002). Ten Skills You Really Need to Succeed in College. American: McGraw -Hill.
Style de citation ChicagoLangan John. Ten Skills You Really Need to Succeed in College. American: McGraw -Hill, 2002.
Style de citation MLALangan John. Ten Skills You Really Need to Succeed in College. American: McGraw -Hill, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.