APA

ahlberg،allan, . (1989). one،tow،flea. london: walker book.

Chicago

ahlberg،allan, . 1989. one،tow،flea. london: walker book.

Harvard

ahlberg،allan, . (1989). one،tow،flea. london: walker book.

MLA

ahlberg،allan, . one،tow،flea. london: walker book. 1989.