Dyfyniad APA

Willis, J. C. A revised catalogue of the indigenous flowering plants and ferns of Ceylon.

Dyfyniad Arddull Chicago

Willis, J. C. A Revised Catalogue of the Indigenous Flowering Plants and Ferns of Ceylon.

Dyfyniad MLA

Willis, J. C. A Revised Catalogue of the Indigenous Flowering Plants and Ferns of Ceylon.

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