Παραπομπή σε μορφή APA (7η εκδ.)

Schramm, H. (2012). Freight Forwarder's Intermediary Role in Multimodal Transport Chains: A Social Network Approach. Physica-Verlag HD : Imprint: Physica.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Schramm, Hans-Joachim. Freight Forwarder's Intermediary Role in Multimodal Transport Chains: A Social Network Approach. Heidelberg: Physica-Verlag HD : Imprint: Physica, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Schramm, Hans-Joachim. Freight Forwarder's Intermediary Role in Multimodal Transport Chains: A Social Network Approach. Physica-Verlag HD : Imprint: Physica, 2012.