Dyfyniad APA

HULL,ROGER. (2004). MATTHEWS PLANT VIROLOGY. ACADEMIC PRESS.

Dyfyniad Arddull Chicago

HULL,ROGER. MATTHEWS PLANT VIROLOGY. CALIFORNIA: ACADEMIC PRESS, 2004.

Dyfyniad MLA

HULL,ROGER. MATTHEWS PLANT VIROLOGY. ACADEMIC PRESS, 2004.

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