Dyfyniad APA

Day, J. G., & Stacey, G. N. (2007). Cryopreservation and freeze- drying protocols (2nd ed.). Humana Press.

Dyfyniad Arddull Chicago

Day, John G., and Glyn N. Stacey. Cryopreservation and Freeze- Drying Protocols. 2nd ed. New Jersey: Humana Press, 2007.

Dyfyniad MLA

Day, John G., and Glyn N. Stacey. Cryopreservation and Freeze- Drying Protocols. 2nd ed. Humana Press, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.