Birk, W. O. (1949). Structural grammar for building sentences. D.C. Heath.
Chicagoスタイル(17版)引用形式Birk, William Otto. Structural Grammar for Building Sentences. Boston: D.C. Heath, 1949.
MLA(9版)引用形式Birk, William Otto. Structural Grammar for Building Sentences. D.C. Heath, 1949.
警告: この引用は必ずしも正確ではありません.