APA (7th ed.) Zitazioa

ebrary, Inc, & Walls, R. (2013). Vancouver. Intellect.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, eta Rachel Walls. Vancouver. Bristol, UK ; Chicago: Intellect, 2013.

MLA (9th ed.) Zitazioa

ebrary, Inc, eta Rachel Walls. Vancouver. Intellect, 2013.