6 1 10 Mcmichael, Stanley L Primary Author O'keefe, Paul T. Additional Author mixed material New Jersey Prentice Hall 1967 Jaffe, Austin J. Primary Author mixed material 083599189X Virginia Reston Publishing Company, Inc. 1985 Wofford, Larry E. Primary Author mixed material 0471838853 New York John Wiley & Sons 1986 Stevens, Mark Primary Author mixed material 0070612739 New York McGraw-Hill 1984 Ring, Alfred A Primary Author Dasso, Jerome J. Additional Author mixed material 0137659830 Hampshire Prentice Hall 1985 using the HP-12C calculator Greynolds, Elbert B. Primary Author Aronofsky, Julius S. Additional Author mixed material 0884623785 Chicago Real Estate Education Company 1983