Chopra,Deepak. The seven spiritual laws of superheroes: Harnessing our power to change the world. Bantam Books.
Chicago-viite (17. p.)Chopra,Deepak. The Seven Spiritual Laws of Superheroes: Harnessing Our Power to Change the World. Bantam Books.
MLA-viite (8. p.)Chopra,Deepak. The Seven Spiritual Laws of Superheroes: Harnessing Our Power to Change the World. Bantam Books.
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