1.
, . Mr Biff the boxer. London, New York: Puffin Books; 1980.
et . Mr Biff the boxer. London, New York : Puffin Books, 15 juin 1980. ISBN 0-14-031236-6
Ahlberg Allan & Ahlberg Janet. (1980). Mr Biff the boxer. Puffin Books.
MLA (8th ed.) CitationAhlberg Allan and Ahlberg Janet. Mr Biff the Boxer. Puffin Books, 1980.
Warning: These citations may not always be 100% accurate.