Hansen, Alvin H. (Alvin Harvey), 1887-1975, author
McGraw-Hill, 1947
Buku Teks
Hansen, Alvin H. (Alvin Harvey), 1887-1975, author
MacGraw-Hill , 1947
Buku Teks
Metzler, Lloyd A.
W.W. Norton & Company Inc. , 1948
Buku Teks
McGraw-Hill, 1953
Buku Teks
edited by J.P. Nieuwenhuysen and P.J. Drake
Melbourne Unversity Press, 1977
Buku Teks