Dyfyniad APA

Brownsey, P. J. (1987). A key to the genera of New Zealand ferns and allied plants. National Museum of New Zealand.

Dyfyniad Arddull Chicago

Brownsey, P. J. A Key to the Genera of New Zealand Ferns and Allied Plants. Wellington, N.Z.: National Museum of New Zealand, 1987.

Dyfyniad MLA

Brownsey, P. J. A Key to the Genera of New Zealand Ferns and Allied Plants. National Museum of New Zealand, 1987.

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