APA
Hubbard Ron L, Hoopla digital, . (2009). History of clearing. [United States]: Bridge Publications : Made available through hoopla.
Chicago
Hubbard Ron L, Hoopla digital, . 2009. History of clearing. [United States]: Bridge Publications : Made available through hoopla.
Harvard
Hubbard Ron L, Hoopla digital, . (2009). History of clearing. [United States]: Bridge Publications : Made available through hoopla.
MLA
Hubbard Ron L, Hoopla digital, . History of clearing. [United States]: Bridge Publications : Made available through hoopla. 2009.