by Collin J. Watson [and others]
Allyn and Bacon, 1993
Buku Teks
Allen, R.G.D.
Hutchinson University Library, 1972
Buku Teks
Allyn and Bacon, 1993
Buku Teks
Mendenhall, William
Duxbury Press, 1971
Buku Teks
Lind, Douglas A.
McGraw-Hill Education, 2019
Buku Teks