APA

Rowling J., . (2014). Harry Potter and the Philosopher´s Stone. : Bloomsbury.

Chicago

Rowling J.K, . 2014. Harry Potter and the Philosopher´s Stone. : Bloomsbury.

Harvard

Rowling J., . (2014). Harry Potter and the Philosopher´s Stone. : Bloomsbury.

MLA

Rowling J.K, . Harry Potter and the Philosopher´s Stone. : Bloomsbury. 2014.