Lawson, D. (1972). Photomicrography. Academic press.
Dyfyniad Arddull ChicagoLawson, Douglas. Photomicrography. New york: Academic press, 1972.
Dyfyniad MLALawson, Douglas. Photomicrography. Academic press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.