McEwen, F.L.
The use and significance of pesticides in the environment
John Wiley & Sons, 1979
 Buku Teks
International code of conduct on the distribution and use of pesticides
Food and Agriculture Organization of the United Nations
Food and Agriculture Organization of The United Nations, 2005
 Buku Teks
Hutchinson, Alfred
Road to Ghana
John Day, 1960
 Buku Teks SO
opportunity,not fate
 Artikel Jurnal
Brown, A.W.A.
Ecology of pesticides
John Wiley & Sons, 1978
 Buku Teks