Keck, W. C. (1968). Peace Corps Tuberculosis control - Program in the yungas Area of Bolivia. s.n.
Chicagoスタイル(17版)引用形式Keck, William C. Peace Corps Tuberculosis Control - Program in the Yungas Area of Bolivia. La Paz: s.n, 1968.
MLA(9版)引用形式Keck, William C. Peace Corps Tuberculosis Control - Program in the Yungas Area of Bolivia. s.n, 1968.
警告: この引用は必ずしも正確ではありません.