APA aipamena

John Jackman; Wendy Wren. (2013). Writing: Introductory Pupil Book (Collins Primary Focus) (None.). HarperCollins UK.

Chicago Style aipamena

John Jackman; Wendy Wren. Writing: Introductory Pupil Book (Collins Primary Focus). None. HarperCollins UK, 2013.

MLA aipamena

John Jackman; Wendy Wren. Writing: Introductory Pupil Book (Collins Primary Focus). None. HarperCollins UK, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.