Yachnin, S. P. (1946). One of the Stearman PT-17 airplanes owned by Parks College.
Chicagoスタイル(17版)引用形式Yachnin, Stanley P. One of the Stearman PT-17 Airplanes Owned by Parks College. 1946.
MLA(8版)引用形式Yachnin, Stanley P. One of the Stearman PT-17 Airplanes Owned by Parks College. 1946.
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