Gaya APA
HILLEL, D.
(2005).
ENCYCLOPEDIA OF SOILS IN THE ENVIRONMENT
(
VOLUME 4)
.
USA:
ELSEVIER PUBLISHING.
Gaya MLA
HILLEL, DAVID.
"ENCYCLOPEDIA OF SOILS IN THE ENVIRONMENT".
VOLUME 4
USA:
ELSEVIER PUBLISHING,
2005.
Text.