APA Zitierstil

Keller, j. (2015). Attitude is everything: Change your attitude...change your life! Harper Collins.

Chicago Zitierstil

Keller, jeff. Attitude Is Everything: Change Your Attitude...change Your Life! Uttar Pradesh: Harper Collins, 2015.

MLA Zitierstil

Keller, jeff. Attitude Is Everything: Change Your Attitude...change Your Life! Harper Collins, 2015.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.