APA

Jackson P., Kimura R., . (2005). Potato pals 1. New york, USA: Oxford university press.

Chicago

Jackson Patrick, Kimura Rie, . 2005. Potato pals 1. New york, USA: Oxford university press.

Harvard

Jackson P., Kimura R., . (2005). Potato pals 1. New york, USA: Oxford university press.

MLA

Jackson Patrick, Kimura Rie, . Potato pals 1. New york, USA: Oxford university press. 2005.