Cita APA (7th ed.)

Theobald, T. (2013). Develop your presentation skills (Second edition.). Kogan Page Ltd.

Cita Chicago (17th ed.)

Theobald, Theo. Develop Your Presentation Skills. Second edition. Philadelphia, PA: Kogan Page Ltd, 2013.

Cita MLA (9th ed.)

Theobald, Theo. Develop Your Presentation Skills. Second edition. Kogan Page Ltd, 2013.