Thunberg, G. (2019). No one is too small to make a difference. Penguin Books.
Dyfyniad Arddull ChicagoThunberg, Greta. No One Is Too Small to Make a Difference. New York: Penguin Books, 2019.
Dyfyniad MLAThunberg, Greta. No One Is Too Small to Make a Difference. Penguin Books, 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.