edited by Joseph F. McCloskey, Florence N. Trefethen
John Hopkins Press, 1954
Buku Teks
Budnick, Frank S., author
Richard D. Irwin, 1977
Buku Teks
Satyanarayana, M., author
Himalaya Publ. House, 1980
Buku Teks
Enrick, Norbert Lloyd
New York, N.Y., Holt
Buku Teks
Sri Mulyono, author
Lembaga Penerbit Fakultas Ekonomi Universitas Indonesia, 1991
Buku Teks