Wilford W. Spradlin

发表

Wilford W. Spradlin, Patricia B. Porterfield, 1979 .

Wilford W. Spradlin, Patricia B. Porterfield, W. Spradlin, 1979 .

Wilford W. Spradlin, Patricia B. Porterfield, W. Spradlin, 1984 .

Wilford W. Spradlin, Patricia B. Porterfield, W. Spradlin, 1984 .

Wilford W. Spradlin, Patricia B. Porterfield, W. Spradlin, 1984, Springer New York.