APA (7e ed.) Bronvermelding

(2004). THE SECRET SEVEN GO AHEAD, SECRET SEVEN ( REPLACED ON 1st SEP 2015 ). HODDER CHILDREN'S BOOKS.

Chicago (17e ed.) Bronvermelding

THE SECRET SEVEN GO AHEAD, SECRET SEVEN ( REPLACED ON 1st SEP 2015 ). LONDON: HODDER CHILDREN'S BOOKS, 2004.

MLA (9e ed.) Bronvermelding

THE SECRET SEVEN GO AHEAD, SECRET SEVEN ( REPLACED ON 1st SEP 2015 ). HODDER CHILDREN'S BOOKS, 2004.