Consulting Research Pub. , 1975
Buku Teks
Swerdlow, Irving, author
Frederick A. Praeger, 1975
Buku Teks
Marcel Dekker, Inc, 1990
Buku Teks
Stein, Harold, author
Harcourt, Brace & World, 1952
Buku Teks
Schultz, Judith M., author
Little, Brown, 1986
Buku Teks