by James W. Ceaser ... [and others]
McGraw-Hill , 1984
Buku Teks SO
Hird, John A.
Wadsworth , 2004
Buku Teks SO
Clarke E. Cochran, Lawrence C. Mayer, T.R. Carr, N. Joseph Cayer, Mark J. McKenzie, Laura R. Peck
USA Cengage Learning, 2016
Buku Teks SO
Cranston, Ross
Oxford University Press, 1987
Buku Teks
Isaacs, Asher, 1902-1963
Van Nostrand , 1964
Buku Teks SO