Larsen, G. H. (1991). Mastering harvard graphics/2nd ed. BPB Publications.
Dyfyniad Arddull ChicagoLarsen, Glenn H. Mastering Harvard Graphics/2nd Ed. New Delhi: BPB Publications, 1991.
Dyfyniad MLALarsen, Glenn H. Mastering Harvard Graphics/2nd Ed. BPB Publications, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.