APA引文

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

芝加哥风格引文

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

MLA引文

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

警告：这些引文格式不一定是100％准确.