Dyfyniad APA

Sandberg, S. &. G. A. (2017). Option B: Facing Adversity Building Resilience and Finding Joy. Penguin.

Dyfyniad Arddull Chicago

Sandberg, Sheryl & Grant Adam. Option B: Facing Adversity Building Resilience and Finding Joy. UK: Penguin, 2017.

Dyfyniad MLA

Sandberg, Sheryl & Grant Adam. Option B: Facing Adversity Building Resilience and Finding Joy. Penguin, 2017.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.