Παραπομπή σε μορφή APA (7η εκδ.)

Ullrich, C. (2008). Pedagogically Founded Courseware Generation for Web-Based Learning: An HTN-Planning-Based Approach Implemented in PAIGOS. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ullrich, Carsten. Pedagogically Founded Courseware Generation for Web-Based Learning: An HTN-Planning-Based Approach Implemented in PAIGOS. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ullrich, Carsten. Pedagogically Founded Courseware Generation for Web-Based Learning: An HTN-Planning-Based Approach Implemented in PAIGOS. Springer Berlin Heidelberg, 2008.