John Jackman; Wendy Wren. (2013). Writing: Teacher's Guide 4 (Collins Primary Focus) (New edition.). HarperCollins UK.
Chicago-čujuhus (17. p.)John Jackman; Wendy Wren. Writing: Teacher's Guide 4 (Collins Primary Focus). New edition. HarperCollins UK, 2013.
MLA-čujuhus (9. p.)John Jackman; Wendy Wren. Writing: Teacher's Guide 4 (Collins Primary Focus). New edition. HarperCollins UK, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.