Flexible Query Answering Systems

MLA

Christiansen, Henning, et al. Flexible Query Answering Systems. Springer Berlin Heidelberg, 2011.

APA

Christiansen, H., Andreasen, T., Larsen, H. Legind, Tré, G., Yazici, A., Zadrozny, S., & de Tre, G. (2011). Flexible Query Answering Systems. Springer Berlin Heidelberg.

Chicago

Christiansen, Henning, Troels Andreasen, Henrik Legind Larsen, Guy Tré, Adnan Yazici, Slawomir Zadrozny, and Guy de Tre. Flexible Query Answering Systems. : Springer Berlin Heidelberg, 2011.