Hansen, Alvin Harvey, 1887-1975
MacGraw-Hill , 1947
Buku Teks
Metzler, Lloyd A.
W.W. Norton & Company Inc. , 1948
Buku Teks
McGraw-Hill, 1953
Buku Teks
Walker, E. Ronald
University of Chicago Press, 1947
Buku Teks
edited by J.P. Nieuwenhuysen and P.J. Drake
Melbourne Unversity Press, 1977
Buku Teks