APA (7th ed.) Citation

Bell, G. (1987). The secrets of successful speaking and business presentations / Gordon Bell. Heinemann.

Chicago Style (17th ed.) Citation

Bell, Gordon. The Secrets of Successful Speaking and Business Presentations / Gordon Bell. London: Heinemann, 1987.

MLA (9th ed.) Citation

Bell, Gordon. The Secrets of Successful Speaking and Business Presentations / Gordon Bell. Heinemann, 1987.

Warning: These citations may not always be 100% accurate.