Groves, H. M. (1948). Trouble spots in taxation. Princeton university press.
Dyfyniad Arddull ChicagoGroves, Harold M. Trouble Spots in Taxation. London: Princeton university press, 1948.
Dyfyniad MLAGroves, Harold M. Trouble Spots in Taxation. Princeton university press, 1948.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.