Penggayaan APA
EMERSON, W.W et.al.. (1978).
Modification of soil structure .
New York:
John Willey and Sons.
Chicago Style
EMERSON, W.W et.al..
Modification of soil structure.
New York:
John Willey and Sons,
1978.
Buku.
MLA Style
EMERSON, W.W et.al..
Modification of soil structure.
New York:
John Willey and Sons,
1978.
Buku.
Turabian Style
EMERSON, W.W et.al..
Modification of soil structure.
New York:
John Willey and Sons,
1978.
Buku.