Jacobs, Norman
Frederick A. Praeger, 1967
Buku Teks
Tinbergen, Jan, 1903-
McGraw-Hill, 1967
Buku Teks
Griffin, Keith B.
Addison-Wesley, 1970
Buku Teks
edited by David F. Walker
John Wiley & Sons, 1980
Buku Teks
edited by Alan Gilbert
John Wiley & Sons, 1978
Buku Teks