1.
Business roles. Cambridge: Cambridge University press; 1999.
Business roles. Cambridge : Cambridge University press, 18 juin 1999. ISBN 0-521-64849-1
Crowther-Alwyn John. (1999). Business roles: 2. Cambridge University press.
MLA (8th ed.) CitationCrowther-Alwyn John. Business Roles: 2. Cambridge University press, 1999.
Warning: These citations may not always be 100% accurate.