Schippel, A. (1908). Schippel's school buildings. Albert Schippel, Architect.
Chicagoスタイル(17版)引用形式Schippel, Albert. Schippel's School Buildings. Mankato, Minn.: Albert Schippel, Architect, 1908.
MLA(8版)引用形式Schippel, Albert. Schippel's School Buildings. Albert Schippel, Architect, 1908.
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