APA Style
Russell H.Hahn,PE. (1990).
Standards 1990 : American Sosiety of Agricultural Engineers (37 th Edition).
America:
The American of Agricultural Engineers.
Chicago Style
Russell H.Hahn,PE.
Standards 1990 : American Sosiety of Agricultural Engineers.
37 th Edition
America:
The American of Agricultural Engineers,
1990.
Text.
MLA Style
Russell H.Hahn,PE.
Standards 1990 : American Sosiety of Agricultural Engineers.
37 th Edition
America:
The American of Agricultural Engineers,
1990.
Text.
Turabian Style
Russell H.Hahn,PE.
Standards 1990 : American Sosiety of Agricultural Engineers.
37 th Edition
America:
The American of Agricultural Engineers,
1990.
Print.