Gaya APA
Morgan, R. P. C.. (1986).
Soil Erosion and its Control .
Canada:
Van Nostrand Reinhold Company.
Gaya Chicago
Morgan, R. P. C..
Soil Erosion and its Control.
Canada:
Van Nostrand Reinhold Company,
1986.
Text.
Gaya MLA
Morgan, R. P. C..
Soil Erosion and its Control.
Canada:
Van Nostrand Reinhold Company,
1986.
Text.
Gaya Turabian
Morgan, R. P. C..
Soil Erosion and its Control.
Canada:
Van Nostrand Reinhold Company,
1986.
Print.