Kessler, R. (2014). The first family detail: Secret service agents reveal the hidden lives of the presidents.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKessler, Ronald. The First Family Detail: Secret Service Agents Reveal the Hidden Lives of the Presidents. 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKessler, Ronald. The First Family Detail: Secret Service Agents Reveal the Hidden Lives of the Presidents. 2014.
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