Dyfyniad APA
Macdonald, R. G. Central secondary fiber structural board coating (2nd ed.). McGraw Hill.
Dyfyniad Arddull Chicago
Macdonald, Ronald G. Central Secondary Fiber Structural Board Coating. 2nd ed. New York: McGraw Hill.
Dyfyniad MLA
Macdonald, Ronald G. Central Secondary Fiber Structural Board Coating. 2nd ed. McGraw Hill.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.