Webber, Ross A., author
Richard D. Irwin, 1981
Buku Teks
Lawrence L. Bethel ... [et al.]
McGraw-Hill, 1954
Buku Teks
Vernon-Wortzel, Heidi, author
John Wiley & Sons, 1991
Buku Teks
Novit, Mitchell S.
Prentice-Hall, 1979
Buku Teks
Eisner, Howard, author
John Wiley & Sons, 2008
Buku Teks