Cita APA (7th ed.)

Keck, W. C. (1968). Peace Corps Tuberculosis control - Program in the yungas Area of Bolivia. s.n.

Cita Chicago (17th ed.)

Keck, William C. Peace Corps Tuberculosis Control - Program in the Yungas Area of Bolivia. La Paz: s.n, 1968.

Cita MLA (9th ed.)

Keck, William C. Peace Corps Tuberculosis Control - Program in the Yungas Area of Bolivia. s.n, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.