Zhizhang Yang, Emily. A. Dhingra, Kurt W. Hess, Adeline M. Wong, Edward P. Myers, Stephen A. White. : "November 2008." : Mode of access: World Wide Web. : System requirements: Adobe Acrobat Reader. : Includes bibliographical references (p. 37-39).
Richard A. Schmalz, Jr., Michael F. Devine. : "October 2003." : Also available online in PDF via the NOAA Central Library and via the NOAA Office of Coast Survey. : Includes bibliographical references (p. 27-30).