Gaya APA
Ware, G, W.
(1986).
Fundamentals of pesticides: a self-intruction guide
(
2nd ed)
.
U.S.A:
Thomson.
Gaya MLA
Ware, George, W..
"Fundamentals of pesticides: a self-intruction guide".
2nd ed
U.S.A:
Thomson,
1986.
print.