Logan, J. David (John David), author
Wiley, 2013
Buku Teks
Foster, George M., author
Brown and Comp, 1969
Buku Teks
Ramsden, Jeremy J., author
Elsevier, 2018
Buku Teks
Buku Teks
Fetter, C. W. (Charles Willard), 1942-, author
Prentice-Hall, 2001
Buku Teks