Dyfyniad APA

WALSH C E. (1979). WORKED EXAMPLE A LEVEL PURE MATHS. CELTIC REVISION AIDS.

Dyfyniad Arddull Chicago

WALSH C E. WORKED EXAMPLE A LEVEL PURE MATHS. LONDON: CELTIC REVISION AIDS, 1979.

Dyfyniad MLA

WALSH C E. WORKED EXAMPLE A LEVEL PURE MATHS. CELTIC REVISION AIDS, 1979.

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