APA

MACDONALD A., MARTYR P., .The Wakey Wakey Machine !. LONDON: LADYBIRD BOOKS.

Chicago

MACDONALD ALAN, MARTYR PAULA, .The Wakey Wakey Machine !. LONDON: LADYBIRD BOOKS.

Harvard

MACDONALD A., MARTYR P., .The Wakey Wakey Machine !. LONDON: LADYBIRD BOOKS.

MLA

MACDONALD ALAN, MARTYR PAULA, .LONDON: LADYBIRD BOOKS. .