Leysen, C., Boehme, O., Coolens, G., Fasseur, K., Stipontwerpt, B., Coppens, T., & Harding, P. (2009). 100 years Ahlers in Antwerp: A family business in a world port. University Press Antwerp.
Cita Chicago (17th ed.)Leysen, Christian, Olivier Boehme, Guido Coolens, Koen Fasseur, Brussels Stipontwerpt, Tony Coppens, i Paul Harding. 100 Years Ahlers in Antwerp: A Family Business in a World Port. Brussels, Belgium: University Press Antwerp, 2009.
Cita MLA (9th ed.)Leysen, Christian, et al. 100 Years Ahlers in Antwerp: A Family Business in a World Port. University Press Antwerp, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.