Cita APA (7th ed.)

ebrary, Inc, & Herren, G. (2013). Text and presentation, 2012. McFarland.

Cita Chicago (17th ed.)

ebrary, Inc, i Graley Herren. Text and Presentation, 2012. Jefferson, NC: McFarland, 2013.

Cita MLA (9th ed.)

ebrary, Inc, i Graley Herren. Text and Presentation, 2012. McFarland, 2013.