Casteel, S. P. Pastoral: Sarah Phillips Casteel. Keywords for environmental studies.([2016]).
Chicago Style (17. basım) AtıfCasteel, Sarah Phillips. "Pastoral: Sarah Phillips Casteel." Keywords for Environmental Studies.([2016]) .
MLA (8th ed.) AtıfCasteel, Sarah Phillips. "Pastoral: Sarah Phillips Casteel." Keywords for Environmental Studies.([2016]), .
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