Nash, Leonard K
Little, Brown And Company, 1963
Buku Teks SO
King, Laura A. (Laura Ann)
McGraw-Hill, 2011
Buku Teks SO
King, Laura A. (Laura Ann)
McGraw-Hill, 2008
Buku Teks SO
King, Laura A. (Laura Ann)
McGraw-Hill, 2014
Buku Teks SO
edited by George Robertson ... [and others]
Routledge, 1996
Buku Teks