Gaya APA
Grigg, D., Chislom, M. (1970).
The Harsh Lands : a study in agricultural development (Ed. 1).
New York:
The Macmillian Company.
Gaya MLA
Grigg, David., Chislom, Michael.
"The Harsh Lands : a study in agricultural development".
Ed. 1
New York:
The Macmillian Company,
1970.
Text.