Cita APA (7th ed.)

Pan American Health Organization. (1991). Global Program on Aids For The Americas. s.e.

Cita Chicago (17th ed.)

Pan American Health Organization. Global Program on Aids For The Americas. s.l: s.e, 1991.

Cita MLA (9th ed.)

Pan American Health Organization. Global Program on Aids For The Americas. s.e, 1991.