Shively, W. Phillips, 1942-
Mc Graw-Hill, 2012
Buku Teks SO
Moten, Abdul Rashid
Thomson, 2006
Buku Teks SO
Roskin, Michael G., 1939-
Pearson, 2017
Buku Teks SO
by Carlton Clymer Rodee ... [et al.]
McGraw-Hill Kogakusha, 1976
Buku Teks SO
Roucek, Joseph S.
Thomas Y. Crowell, 1950
Buku Teks