Sandberg, S. &. G. A. (2017). Option B: Facing Adversity Building Resilience and Finding Joy. Penguin.
Chicago-viite (17. p.)Sandberg, Sheryl & Grant Adam. Option B: Facing Adversity Building Resilience and Finding Joy. UK: Penguin, 2017.
MLA-viite (9. p.)Sandberg, Sheryl & Grant Adam. Option B: Facing Adversity Building Resilience and Finding Joy. Penguin, 2017.
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