Penggayaan APA
ASHTON, Floyd M.. (1981).
Mode of action of herbicides .
New York:
John Wiley & Sons.
Chicago Style
ASHTON, Floyd M..
Mode of action of herbicides.
New York:
John Wiley & Sons,
1981.
Text.
MLA Style
ASHTON, Floyd M..
Mode of action of herbicides.
New York:
John Wiley & Sons,
1981.
Text.
Turabian Style
ASHTON, Floyd M..
Mode of action of herbicides.
New York:
John Wiley & Sons,
1981.
Print.