APA aipamena

John Jackman; Wendy Wren. (2013). Writing: Teacher's Guide 1 (Collins Primary Focus) (New edition.). HarperCollins UK.

Chicago Style aipamena

John Jackman; Wendy Wren. Writing: Teacher's Guide 1 (Collins Primary Focus). New edition. HarperCollins UK, 2013.

MLA aipamena

John Jackman; Wendy Wren. Writing: Teacher's Guide 1 (Collins Primary Focus). New edition. HarperCollins UK, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.