Παραπομπή σε μορφή APA (7η εκδ.)

Zepf, V. (2013). Rare Earth Elements: A New Approach to the Nexus of Supply, Demand and Use: Exemplified along the Use of Neodymium in Permanent Magnets. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zepf, Volker. Rare Earth Elements: A New Approach to the Nexus of Supply, Demand and Use: Exemplified Along the Use of Neodymium in Permanent Magnets. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

Zepf, Volker. Rare Earth Elements: A New Approach to the Nexus of Supply, Demand and Use: Exemplified Along the Use of Neodymium in Permanent Magnets. Springer Berlin Heidelberg : Imprint: Springer, 2013.