Gaya APA
HUBBARD, L, R.
(2012).
HORTICULTURE FOR A GREENER WORLD
.
CALIFORNIA - USA:
BRIDGE PUBLICATION, INC.
Gaya MLA
HUBBARD, L., RON.
"HORTICULTURE FOR A GREENER WORLD".
CALIFORNIA - USA:
BRIDGE PUBLICATION, INC,
2012.
Umum.