APA (7 वां संस्करण) प्रशस्ति पत्र
Hehn, E. (2005). Exchange Traded Funds: Structure, Regulation and Application of a New Fund Class. Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-27637-8
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hehn, Elisabeth. Exchange Traded Funds: Structure, Regulation and Application of a New Fund Class. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/3-540-27637-8.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hehn, Elisabeth. Exchange Traded Funds: Structure, Regulation and Application of a New Fund Class. Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/3-540-27637-8.
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