Downey, A. B. (2020). Think Stats (2nd.). SPD.
Dyfyniad Arddull ChicagoDowney, A B. Think Stats. 2nd. Mumbai: SPD, 2020.
Dyfyniad MLADowney, A B. Think Stats. 2nd. SPD, 2020.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Downey, A. B. (2020). Think Stats (2nd.). SPD.
Dyfyniad Arddull ChicagoDowney, A B. Think Stats. 2nd. Mumbai: SPD, 2020.
Dyfyniad MLADowney, A B. Think Stats. 2nd. SPD, 2020.