APA (7e ed.) Bronvermelding

MACKENZIE, J. k. (1989). It's Show Time: How To Plan And Hold Successful Sales Meeting John K. Mackenzie. Dow Jones-Irwin.

Chicago (17e ed.) Bronvermelding

MACKENZIE, JOHN k. It's Show Time: How To Plan And Hold Successful Sales Meeting John K. Mackenzie. Dow Jones-Irwin, 1989.

MLA (8e ed.) Bronvermelding

MACKENZIE, JOHN k. It's Show Time: How To Plan And Hold Successful Sales Meeting John K. Mackenzie. Dow Jones-Irwin, 1989.