SpringerLink (Online service), Popp, R., de Haan, G., Ahrend, C., Reinhardt, U., & Øverland, E. F. European Journal of Futures Research. Springer Berlin Heidelberg : Imprint: Springer.
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No s'ha pogut copiar
Cita Chicago (17th ed.)
SpringerLink (Online service), Reinhold Popp, Gerhard de Haan, Christine Ahrend, Ulrich Reinhardt, i Erik F. Øverland. European Journal of Futures Research. Berlin/Heidelberg: Springer Berlin Heidelberg : Imprint: Springer.
Copiat
No s'ha pogut copiar
Cita MLA (9th ed.)
SpringerLink (Online service), et al. European Journal of Futures Research. Springer Berlin Heidelberg : Imprint: Springer.
Copiat
No s'ha pogut copiar
Atenció: Aquestes cites poden no estar 100% correctes.