APA

Ashworth J., . (1999). I-Spy. São Paulo SP: Oxford University.

Chicago

Ashworth Julie, . 1999. I-Spy. São Paulo SP: Oxford University.

Harvard

Ashworth J., . (1999). I-Spy. São Paulo SP: Oxford University.

MLA

Ashworth Julie, . I-Spy. São Paulo SP: Oxford University. 1999.