APA način citiranja (7. izdanje)
Sturm, J., & Wollmershuser, T. (2005). Ifo Survey Data in Business Cycle and Monetary Policy Analysis. Physica-Verlag HD. https://doi.org/10.1007/b138140
Čikaški stil citiranja (17. izdanje)
Sturm, Jan-Egbert, i Timo Wollmershuser. Ifo Survey Data in Business Cycle and Monetary Policy Analysis. Heidelberg: Physica-Verlag HD, 2005. https://doi.org/10.1007/b138140.
MLA način citiranja (9. izdanje)
Sturm, Jan-Egbert, i Timo Wollmershuser. Ifo Survey Data in Business Cycle and Monetary Policy Analysis. Physica-Verlag HD, 2005. https://doi.org/10.1007/b138140.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.