Dyfyniad APA

Duddington, C. L. (1971). Beginner's guide to seaweeds. Pelham Books.

Dyfyniad Arddull Chicago

Duddington, C. L. Beginner's Guide to Seaweeds. Pelham Books, 1971.

Dyfyniad MLA

Duddington, C. L. Beginner's Guide to Seaweeds. Pelham Books, 1971.

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