Gibson, W. M. (1967). William D. Howells. University of Minnesota Press.
Chicagoスタイル(17版)引用形式Gibson, William M. William D. Howells. Minneapolis, MN: University of Minnesota Press, 1967.
MLA(9版)引用形式Gibson, William M. William D. Howells. University of Minnesota Press, 1967.
警告: この引用は必ずしも正確ではありません.