Dyfyniad APA

Casey, J. P. (1980). Pulp and Paper Chemistry (3rd ed.). Wiley Eastern.

Dyfyniad Arddull Chicago

Casey, James P. Pulp and Paper Chemistry. 3rd ed. New York: Wiley Eastern, 1980.

Dyfyniad MLA

Casey, James P. Pulp and Paper Chemistry. 3rd ed. Wiley Eastern, 1980.

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