Tracy Brain. (2013). Maximum Achevement: Strategies & skills that will unlock your hidden powers to succeed. India.
استشهاد بنمط شيكاغوTracy Brain. Maximum Achevement: Strategies & Skills That Will Unlock Your Hidden Powers to Succeed. India, 2013.
MLA استشهادTracy Brain. Maximum Achevement: Strategies & Skills That Will Unlock Your Hidden Powers to Succeed. India, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.