APA Style
Cooper, John D., Symposium on the role of phosphorus in crop production (1990: Islamabad- Pakistan). ().
A Trip Through Time : Principles of Historical Geology .
:
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Chicago Style
Cooper, John D., Symposium on the role of phosphorus in crop production (1990: Islamabad- Pakistan).
A Trip Through Time : Principles of Historical Geology.
:
,
.
.
MLA Style
Cooper, John D., Symposium on the role of phosphorus in crop production (1990: Islamabad- Pakistan).
A Trip Through Time : Principles of Historical Geology.
:
,
.
.
Turabian Style
Cooper, John D., Symposium on the role of phosphorus in crop production (1990: Islamabad- Pakistan).
A Trip Through Time : Principles of Historical Geology.
:
,
.
.