Morley, Deborah
Course Technology Cengage Learning, 2013
Buku Teks
Sanders, Donald H.
McGraw-Hill, 1977
Buku Teks
Gallo, Michael A.
Prindle, Weber and Schmidt, 1985
Buku Teks
Kaczmarczyk, Lisa C.
CRC Press, 2012
Buku Teks
Radlow, James
McGraw-Hill, 1986
Buku Teks