Berlin, B. (1947). Squirrels at play. Frederick Harris Music.
Chicagoスタイル(17版)引用形式Berlin, Boris. Squirrels at Play. Oakwood, Ont: Frederick Harris Music, 1947.
MLA(9版)引用形式Berlin, Boris. Squirrels at Play. Frederick Harris Music, 1947.
警告: この引用は必ずしも正確ではありません.