APA

vainio p., james a., . (2000). The best of friends. new york: north - south books.

Chicago

vainio pirkko, james alison, . 2000. The best of friends. new york: north - south books.

Harvard

vainio p., james a., . (2000). The best of friends. new york: north - south books.

MLA

vainio pirkko, james alison, . The best of friends. new york: north - south books. 2000.