John Jackman; Wendy Wren. (2013). Writing: Teacher's Guide 4 (Collins Primary Focus) (New edition.). HarperCollins UK.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohn Jackman; Wendy Wren. Writing: Teacher's Guide 4 (Collins Primary Focus). New edition. HarperCollins UK, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJohn Jackman; Wendy Wren. Writing: Teacher's Guide 4 (Collins Primary Focus). New edition. HarperCollins UK, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.