Dyfyniad APA

Pierik, R. L. M. (1987). In vitro culture of higher plants. M. Nijhoff distributors for the U.S. and Canada, Kluwer.

Dyfyniad Arddull Chicago

Pierik, R. L. M. In Vitro Culture of Higher Plants. Dordrecht, Boston, Hingham, MA: M. Nijhoff distributors for the U.S. and Canada, Kluwer, 1987.

Dyfyniad MLA

Pierik, R. L. M. In Vitro Culture of Higher Plants. M. Nijhoff distributors for the U.S. and Canada, Kluwer, 1987.

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