Παραπομπή σε μορφή APA (7η εκδ.)

Olsson, M., & SjΓΆstedt, G. (2005). Systems Approaches and Their Application: Examples from Sweden. Springer Science + Business Media, Inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Olsson, Mats-Olov, και Gunnar SjΓΆstedt. Systems Approaches and Their Application: Examples from Sweden. Dordrecht: Springer Science + Business Media, Inc, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Olsson, Mats-Olov, και Gunnar SjΓΆstedt. Systems Approaches and Their Application: Examples from Sweden. Springer Science + Business Media, Inc, 2005.