National Academy of Sciences-National Research Council , 1963
Buku Teks
Chen, Kuan I., author
Bookman Associates, 1960
Buku Teks
Carr-Saunders, A.M., author
Frank Cass, 1964
Buku Teks
Thompson, Warren S., author
McGraw-Hill, 1970
Buku Teks
Russell, Sir E. John
George Allen and Unwin, 1961
Buku Teks