Walker, R. (2007). The country in the city: The greening of the San Francisco Bay Area. University of Washington Press.
Chicagoスタイル(17版)引用形式Walker, Richard. The Country in the City: The Greening of the San Francisco Bay Area. Seattle: University of Washington Press, 2007.
MLA(9版)引用形式Walker, Richard. The Country in the City: The Greening of the San Francisco Bay Area. University of Washington Press, 2007.
警告: この引用は必ずしも正確ではありません.