Dyfyniad APA

Chapman, V. J. (1980). Seaweeds and their uses. Chapman & Hall.

Dyfyniad Arddull Chicago

Chapman, V. J. Seaweeds and Their Uses. New York: Chapman & Hall, 1980.

Dyfyniad MLA

Chapman, V. J. Seaweeds and Their Uses. Chapman & Hall, 1980.

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