Guptan, S. U. (2012). Executive coaching: A practitionars guide to creating exellence. Response Books.
استشهاد بنمط شيكاغوGuptan, Sunil Unny. Executive Coaching: A Practitionars Guide to Creating Exellence. Thousand Oaks, Calif.: Response Books, 2012.
MLA استشهادGuptan, Sunil Unny. Executive Coaching: A Practitionars Guide to Creating Exellence. Response Books, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.