APA引文

Joyce Vallar. (2011). Spelling: Teacher's Guide 2 (Collins Primary Focus) (New edition.). HarperCollins UK.

芝加哥风格引文

Joyce Vallar. Spelling: Teacher's Guide 2 (Collins Primary Focus). New edition. HarperCollins UK, 2011.

MLA引文

Joyce Vallar. Spelling: Teacher's Guide 2 (Collins Primary Focus). New edition. HarperCollins UK, 2011.

警告：这些引文格式不一定是100％准确.