Παραπομπή APA

Kaschek, R. H. (2007). Intelligent assistant systems: Concepts, techniques and technologies. Idea group publishing.

Παραπομπή Chicago Style

Kaschek, Roland H. Intelligent Assistant Systems: Concepts, Techniques and Technologies. London: Idea group publishing, 2007.

Παραπομπή MLA

Kaschek, Roland H. Intelligent Assistant Systems: Concepts, Techniques and Technologies. Idea group publishing, 2007.