APA (7e ed.) Bronvermelding

Kay, F. (2009). How to build successful business relationships. The Institution of Engineering and Technology.

Chicago (17e ed.) Bronvermelding

Kay, Frances. How to Build Successful Business Relationships. London, United Kingdom: The Institution of Engineering and Technology, 2009.

MLA (9e ed.) Bronvermelding

Kay, Frances. How to Build Successful Business Relationships. The Institution of Engineering and Technology, 2009.