Dyfyniad APA

William, H. (1994). Parasitic worms of fish. London: Taylors and Francis.

Dyfyniad Arddull Chicago

William, Harford. Parasitic Worms of Fish. London: Taylors and Francis, 1994.

Dyfyniad MLA

William, Harford. Parasitic Worms of Fish. London: Taylors and Francis, 1994.

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