Cita APA (7th ed.)
CHIANG, Y., & ET AL. FEDERAL BUDGETARY COSTS OF BLINDNESS.
Cita Chicago (17th ed.)
CHIANG, Y.P, i ET AL. FEDERAL BUDGETARY COSTS OF BLINDNESS.
Cita MLA (9th ed.)
CHIANG, Y.P, i ET AL. FEDERAL BUDGETARY COSTS OF BLINDNESS.
Atenció: Aquestes cites poden no estar 100% correctes.