Sandberg Sheryl. (2017). Option B Facing Adeversity. Penguin.
Chicago-čujuhus (17. p.)Sandberg Sheryl. Option B Facing Adeversity. Penguin, 2017.
MLA-čujuhus (9. p.)Sandberg Sheryl. Option B Facing Adeversity. Penguin, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.