Orell,, S. R. (1992). Manual and atlas of fine needle aspiration cytology (2nd ed.). Churchill Livingstone.
Dyfyniad Arddull ChicagoOrell,, Svante R. Manual and Atlas of Fine Needle Aspiration Cytology. 2nd ed. Edinburgh: Churchill Livingstone, 1992.
Dyfyniad MLAOrell,, Svante R. Manual and Atlas of Fine Needle Aspiration Cytology. 2nd ed. Churchill Livingstone, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.