Стиль цитування APA (7-ме видання)

Denny, R. (2002). Speak for yourself: Tested techniques for improving your communication and presentation skills. Kogan Page ; USB Publishers' Distributors Ltd..

Чикаго стиль цитування (17-те видання)

Denny, Richard. Speak for Yourself: Tested Techniques for Improving Your Communication and Presentation Skills. London : New Delhi: Kogan Page ; USB Publishers' Distributors Ltd., 2002.

Стиль цитування MLA (8-ме видання)

Denny, Richard. Speak for Yourself: Tested Techniques for Improving Your Communication and Presentation Skills. Kogan Page ; USB Publishers' Distributors Ltd., 2002.