APA

Oliver C., . (1996). I WONDER WHY ENCYCLOPEDIA. London: KingFisher.

Chicago

Oliver Clare, . 1996. I WONDER WHY ENCYCLOPEDIA. London: KingFisher.

Harvard

Oliver C., . (1996). I WONDER WHY ENCYCLOPEDIA. London: KingFisher.

MLA

Oliver Clare, . I WONDER WHY ENCYCLOPEDIA. London: KingFisher. 1996.