Gaya APA
JR., J, B, J.
(2001).
LABORATORY GUIDE FOR CONDUCTING SOIL TESTS AND PLANT ANALYSIS
.
FLORIDA:
CRC PRESS.
Gaya MLA
JR., J., BENTON, JONES.
"LABORATORY GUIDE FOR CONDUCTING SOIL TESTS AND PLANT ANALYSIS".
FLORIDA:
CRC PRESS,
2001.
Text.