Παραπομπή σε μορφή APA (7η εκδ.)

Holzhacker, R., & Haverland, M. (2006). European research reloaded: Cooperation and europeanized states integration among europeanized states. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Holzhacker, Ronald, και Markus Haverland. European Research Reloaded: Cooperation and Europeanized States Integration Among Europeanized States. Dordrecht: Springer, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

Holzhacker, Ronald, και Markus Haverland. European Research Reloaded: Cooperation and Europeanized States Integration Among Europeanized States. Springer, 2006.