Petersen, William, author
Macmillan, 1969
Buku Teks
Petersen, William, author
Macmillan, 1969
Buku Teks
National Academy of Sciences-National Research Council , 1963
Buku Teks
edited by Stanley Johnson
John Wiley & Sons, 1973
Buku Teks
Wrong, Dennis H
Random House, 1985
Buku Teks