edited by Warren L. Smith and John M. Culbertson
Elsevier, 1974
Buku Teks
edited by Paul L. Kleinsorge
University of Oregan Books, 1966
Buku Teks
Tresch, Richard W.
Business Publications ; Georgetown, Ont. : Irwin-Dorsey, 1981.
Buku Teks
Academic Press, 2015
eBooks
Lutz, Harley Leist, author
D. Appleton-Century, 1947
Buku Teks