APA
Morris D., Barrett P., . (1993). The world of animals. London: Riverswift, Random House.
Chicago
Morris Desmond, Barrett Peter, . 1993. The world of animals. London: Riverswift, Random House.
Harvard
Morris D., Barrett P., . (1993). The world of animals. London: Riverswift, Random House.
MLA
Morris Desmond, Barrett Peter, . The world of animals. London: Riverswift, Random House. 1993.
